Frequency hopping techniques for uplink control channel repetitions

ABSTRACT

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, a control message identifying a frequency hop configuration that configures the UE to use frequency hopping when transmitting repetitions of an uplink control channel transmission. The UE, the base station, or both may determine, based on the UE being configured with the frequency hop configuration, a frequency hop for each repetition of the uplink control channel transmission. Each frequency hop may be determined based on a corresponding uplink control channel index for a respective repetition a frequency hop for each repetition of the uplink control channel transmission. The uplink control channel index may be an uplink transmission occasion index, or a repetition index. The UE may transmit the repetitions of the uplink control channel transmission using respective frequency hops in accordance with the determination and the frequency hop configuration.

FIELD OF TECHNOLOGY

The following relates to wireless communications, including frequencyhopping techniques for uplink control channel repetitions.

BACKGROUND

Wireless communications systems are widely deployed to provide varioustypes of communication content such as voice, video, packet data,messaging, broadcast, and so on. These systems may be capable ofsupporting communication with multiple users by sharing the availablesystem resources (e.g., time, frequency, and power). Examples of suchmultiple-access systems include fourth generation (4G) systems such asLong Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, orLTE-A Pro systems, and fifth generation (5G) systems which may bereferred to as New Radio (NR) systems. These systems may employtechnologies such as code division multiple access (CDMA), time divisionmultiple access (TDMA), frequency division multiple access (FDMA),orthogonal FDMA (OFDMA), or discrete Fourier transform spread orthogonalfrequency division multiplexing (DFT-S-OFDM). A wireless multiple-accesscommunications system may include one or more base stations or one ormore network access nodes, each simultaneously supporting communicationfor multiple communication devices, which may be otherwise known as userequipment (UE).

In some wireless communications, a UE may transmit multiple repetitionsof an uplink transmission, for example, to increase communicationquality of the uplink transmission. In some cases, the UE may beconfigured to transmit the repetitions using frequency hops.Conventional methods for transmitting the repetitions using frequencyhops may be improved.

SUMMARY

The described techniques relate to improved methods, systems, devices,and apparatuses that support frequency hopping techniques for uplinkcontrol channel repetitions. Generally, the described techniques providefor enhanced methods for determining a frequency hop to apply to eachrepetition to improve uplink transmission performance. A user equipment(UE) may receive, from a base station, a control message (e.g., physicaldownlink control channel (PDCCH) message, downlink control information(DCI)) identifying a frequency hop configuration that configures the UEto use frequency hopping when transmitting repetitions of an uplinkcontrol channel transmission (e.g., physical uplink control channel(PUCCH) transmission). The UE, the base station, or both may determine,based on the UE being configured with the frequency hop configuration, afrequency hop for each repetition of the uplink control channeltransmission. Each frequency hop may be determined based on acorresponding uplink control channel index, such as an uplinktransmission occasion index, or a repetition index, for a respectiverepetition a frequency hop for each repetition of the uplink controlchannel transmission. For example, the frequency hop used for eachrepetition may be based on an index of an uplink transmission occasionor an index associated with the repetition. The frequency hop used foreach repetition may be based on the index being even or odd. Determiningthe frequency hop to apply to each repetition based on the uplinkcontrol channel index may improve uplink transmission performance byincreasing the alternation between frequency hops and by balancing thefrequency hop usage. The UE may transmit the repetitions of the uplinkcontrol channel transmission using respective frequency hops inaccordance with the determination and the frequency hop configuration.

A method for wireless communications at a UE is described. The methodmay include receiving a control message identifying a frequency hopconfiguration that configures the UE to use frequency hopping whentransmitting repetitions of an uplink control channel, determining,based on the UE being configured with the frequency hop configuration, afrequency hop for each repetition of the uplink control channel, eachfrequency hop determined based on a corresponding uplink control channelindex for a respective repetition, and transmitting the repetitions ofthe uplink control channel using respective frequency hops in accordancewith the determination and the frequency hop configuration in slotsavailable for uplink control channel transmissions.

An apparatus for wireless communications is described. The apparatus mayinclude a processor, memory coupled with the processor, and instructionsstored in the memory. The instructions may be executable by theprocessor to cause the apparatus to receive a control messageidentifying a frequency hop configuration that configures the UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel, determine, based on the UE being configured with the frequencyhop configuration, a frequency hop for each repetition of the uplinkcontrol channel, each frequency hop determined based on a correspondinguplink control channel index for a respective repetition, and transmitthe repetitions of the uplink control channel using respective frequencyhops in accordance with the determination and the frequency hopconfiguration in slots available for uplink control channeltransmissions.

Another apparatus for wireless communications is described. Theapparatus may include means for receiving a control message identifyinga frequency hop configuration that configures the UE to use frequencyhopping when transmitting repetitions of an uplink control channel,means for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition,and means for transmitting the repetitions of the uplink control channelusing respective frequency hops in accordance with the determination andthe frequency hop configuration in slots available for uplink controlchannel transmissions.

A non-transitory computer-readable medium storing code for wirelesscommunications at a UE is described. The code may include instructionsexecutable by a processor to receive a control message identifying afrequency hop configuration that configures the UE to use frequencyhopping when transmitting repetitions of an uplink control channel,determine, based on the UE being configured with the frequency hopconfiguration, a frequency hop for each repetition of the uplink controlchannel, each frequency hop determined based on a corresponding uplinkcontrol channel index for a respective repetition, and transmit therepetitions of the uplink control channel using respective frequencyhops in accordance with the determination and the frequency hopconfiguration in slots available for uplink control channeltransmissions.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on an uplink control channel transmission occasion indexcorresponding to the selected repetition, where the uplink controlchannel transmission occasion index may be the uplink control channelindex and pertains to a slot available for uplink control channeltransmissions.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on an uplink control channel repetition index corresponding to theselected repetition, where the uplink control channel repetition indexmay be the uplink control channel index.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on a logical index sequentially indexing each of the slotsavailable for uplink control channel transmissions, where the logicalindex may be the uplink control channel index.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for receiving an additionalmessage indicating that at least a portion of a repetition allocated toa slot may be canceled, determining that a number of symbols occupied bythe repetition may be below a threshold, and transmitting the repetitionusing a frequency hop associated with a previous repetition.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for determining a countingconfiguration for allocating each repetition of the uplink controlchannel to a respective slot of a set of multiple slots, receiving anindication of a number of repetitions to transmit for the uplink controlchannel, and allocating each repetition, up to the number ofrepetitions, to the set of multiple slots in accordance with thecounting configuration.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, allocating each repetition tothe slot may include operations, features, means, or instructions forallocating each repetition, up to the number of repetitions, to uplinkconfigured slots only, where an uplink configured slot may be an uplinkslot or a special slot available for uplink control channeltransmissions and transmitting each repetition that may be allocated tothe uplink configured slots.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, allocating each repetitionmay include operations, features, means, or instructions for identifyinga set of multiple repetitions, where each repetition of the set ofmultiple repetitions may be allocated to an uplink configured slot,where the uplink configured slot may be an uplink slot or a special slotavailable for uplink control channel transmissions.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a firstuplink control channel index to a first repetition of the set ofmultiple repetitions and determining a first frequency hop for the firstrepetition based on the first uplink control channel index being even.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a seconduplink control channel index to a second repetition of the set ofmultiple repetitions and determining a second frequency hop for thesecond repetition based on the second uplink control channel index beingodd.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for identifying a set ofmultiple uplink transmission occasions and assigning each uplinktransmission occasion of the set of multiple uplink transmissionoccasions an uplink control channel index.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for determining thefrequency hop for each repetition may be based on the uplink controlchannel index assigned to each uplink transmission occasion being evenor odd.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a firstuplink control channel index to a first uplink transmission occasion ofthe set of multiple uplink transmission occasions, a repetitionallocated to the first uplink transmission occasion and determining afirst frequency hop for the repetition allocated to the first uplinktransmission occasion based on the first uplink control channel indexbeing even.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a seconduplink control channel index to a second uplink transmission occasion ofthe set of multiple uplink transmission occasions, a repetitionallocated to the second uplink transmission occasion and determining asecond frequency hop for the repetition allocated to the second uplinktransmission occasion based on the second uplink control channel indexbeing odd.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, transmitting the repetitionsof the uplink control channel may include operations, features, means,or instructions for transmitting each repetition of the uplink controlchannel in a same starting location in each of a set of multiple uplinkconfigured slots, where each repetition may be transmitted for a sameduration.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, the UE transmits therepetitions of the uplink control channel in accordance with a timedivision duplexing frame structure or a frequency division duplexingframe structure.

A method for wireless communications at a base station is described. Themethod may include transmitting a control message identifying afrequency hop configuration that configures a UE to use frequencyhopping when transmitting repetitions of an uplink control channel,determining, based on the UE being configured with the frequency hopconfiguration, a frequency hop for each repetition of the uplink controlchannel, each frequency hop determined based on a corresponding uplinkcontrol channel index for a respective repetition, and receiving therepetitions of the uplink control channel using respective frequencyhops in accordance with the determination and the frequency hopconfiguration in slots available for uplink control channeltransmissions.

An apparatus for wireless communications is described. The apparatus mayinclude a processor, memory coupled with the processor, and instructionsstored in the memory. The instructions may be executable by theprocessor to cause the apparatus to transmit a control messageidentifying a frequency hop configuration that configures a UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel, determine, based on the UE being configured with the frequencyhop configuration, a frequency hop for each repetition of the uplinkcontrol channel, each frequency hop determined based on a correspondinguplink control channel index for a respective repetition, and receivethe repetitions of the uplink control channel using respective frequencyhops in accordance with the determination and the frequency hopconfiguration in slots available for uplink control channeltransmissions.

Another apparatus for wireless communications is described. Theapparatus may include means for transmitting a control messageidentifying a frequency hop configuration that configures a UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel, means for determining, based on the UE being configured withthe frequency hop configuration, a frequency hop for each repetition ofthe uplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition,and means for receiving the repetitions of the uplink control channelusing respective frequency hops in accordance with the determination andthe frequency hop configuration in slots available for uplink controlchannel transmissions.

A non-transitory computer-readable medium storing code for wirelesscommunications at a base station is described. The code may includeinstructions executable by a processor to transmit a control messageidentifying a frequency hop configuration that configures a UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel, determine, based on the UE being configured with the frequencyhop configuration, a frequency hop for each repetition of the uplinkcontrol channel, each frequency hop determined based on a correspondinguplink control channel index for a respective repetition, and receivethe repetitions of the uplink control channel using respective frequencyhops in accordance with the determination and the frequency hopconfiguration in slots available for uplink control channeltransmissions.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on an uplink control channel transmission occasion indexcorresponding to the selected repetition, where the uplink controlchannel transmission occasion index may be the uplink control channelindex and pertains to a slot available for uplink control channeltransmissions.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on an uplink control channel repetition index corresponding to theselected repetition, where the uplink control channel repetition indexmay be the uplink control channel index.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, determining the frequency hopfor each repetition of the uplink control channel may includeoperations, features, means, or instructions for determining thefrequency hop for a selected repetition of the uplink control channelbased on a logical index sequentially indexing each of the slotsavailable for uplink control channel transmissions, where the logicalindex may be the uplink control channel index.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for transmitting anadditional message indicating that at least a portion of a repetitionallocated to a slot may be canceled and receiving the repetition using afrequency hop associated with a previous repetition based on a number ofsymbols occupied by the repetition being below a threshold.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for determining a countingconfiguration for allocating each repetition of the uplink controlchannel to a respective slot of a set of multiple slots, transmitting anindication of a number of repetitions to transmit for the uplink controlchannel, and allocating each repetition, up to the number ofrepetitions, to the set of multiple slots in accordance with thecounting configuration.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, allocating each repetition tothe slot may include operations, features, means, or instructions forallocating each repetition, up to the number of repetitions, to uplinkconfigured slots only, where an uplink configured slot may be an uplinkslot or a special slot available for uplink control channeltransmissions and receiving each repetition that may be allocated to theuplink configured slots.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for identifying a set ofmultiple repetitions, where each repetition of the set of multiplerepetitions may be allocated to an uplink configured slot, where theuplink configured slot may be an uplink slot or a special slot availablefor uplink control channel transmissions.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a firstuplink control channel index to a first repetition of the set ofmultiple repetitions and determining a first frequency hop for the firstrepetition based on the first uplink control channel index being even.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a seconduplink control channel index to a second repetition of the set ofmultiple repetitions and determining a second frequency hop for thesecond repetition based on the second uplink control channel index beingodd.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for identifying a set ofmultiple uplink transmission occasions and assigning each uplinktransmission occasion of the set of multiple uplink transmissionoccasions an uplink control channel index.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for determining thefrequency hop for each repetition may be based on the uplink controlchannel index assigned to each uplink transmission occasion being evenor odd.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a firstuplink control channel index to a first uplink transmission occasion ofthe set of multiple uplink transmission occasions, a repetitionallocated to the first uplink transmission occasion and determining afirst frequency hop for the repetition allocated to the first uplinktransmission occasion based on the first uplink control channel indexbeing even.

Some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein may further includeoperations, features, means, or instructions for assigning a seconduplink control channel index to a second uplink transmission occasion ofthe set of multiple uplink transmission occasions, a repetitionallocated to the second uplink transmission occasion and determining asecond frequency hop for the repetition allocated to the second uplinktransmission occasion based on the second uplink control channel indexbeing odd.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, the base station receives therepetitions of the uplink control channel in accordance with a timedivision duplexing frame structure, or a frequency division duplexingframe structure.

In some examples of the method, apparatuses, and non-transitorycomputer-readable medium described herein, receiving the repetitions ofthe uplink control channel may include operations, features, means, orinstructions for receiving each repetition of the uplink control channelin a same starting location in each of a set of multiple uplinkconfigured slots, where each repetition may be transmitted for a sameduration.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates an example of a wireless communications system thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure.

FIG. 2 illustrates an example of a wireless communications system thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure.

FIG. 3 illustrates an example of a frequency hopping configuration thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure.

FIGS. 4 and 5 illustrate examples of a frequency hopping procedure thatsupport frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure.

FIG. 6 illustrates an example of a process flow that supports frequencyhopping techniques for uplink control channel repetitions in accordancewith aspects of the present disclosure.

FIGS. 7 and 8 show block diagrams of devices that support frequencyhopping techniques for uplink control channel repetitions in accordancewith aspects of the present disclosure.

FIG. 9 shows a block diagram of a communications manager that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure.

FIG. 10 shows a diagram of a system including a device that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure.

FIGS. 11 and 12 show block diagrams of devices that support frequencyhopping techniques for uplink control channel repetitions in accordancewith aspects of the present disclosure.

FIG. 13 shows a block diagram of a communications manager that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure.

FIG. 14 shows a diagram of a system including a device that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure.

FIGS. 15 through 18 show flowcharts illustrating methods that supportfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure.

DETAILED DESCRIPTION

In some wireless communications systems, a scheduling device (forexample, network devices such as base stations) may configure devices(e.g., a user equipment (UE)) to send transmissions multiple times toincrease a probability that contents of the transmissions (for example,data, control information, or other types of information included in thetransmissions) are successfully received and decoded at an intendeddevice. For example, a transmitting device may repeat a transmission anumber of times (for example, a number of repetitions), such that adevice receiving the transmitted data may combine the differentrepetitions to successfully receive the transmitted data. In someexamples, a base station may transmit downlink messages to a UEaccording to a number of repetitions to increase a likelihood that theUE can successfully receive and decode the downlink messages.Additionally or alternatively, the base station may schedule the UE totransmit an uplink message according to a number of repetitions toincrease a likelihood that the base station can successfully receive anddecode the uplink message, thereby increasing reliability that theuplink message is successfully communicated to the base station.

In some cases, a transmitting device may be configured to transmit therepetitions using a frequency hopping procedure to further improvetransmission performance by providing frequency diversity. For example,frequency hopping may include using different frequency resources (forexample, carriers or subcarriers) over one or more time resources (forexample, symbols, mini-slots, slots, subframes, or frames). As such, thetransmitting device may transmit each repetition using a frequency hop.In some wireless communications systems, the transmitting device maydetermine which frequency hop to use for each repetition based on aphysical slot number, where the frequency hop may be based on thephysical slot number being even or odd. For example, the transmittingdevice may transmit a repetition allocated to physical slot one using afirst frequency hop based on physical slot one being odd, and thetransmitting device may transmit a repetition allocated to physical slottwo using a second frequency hop based on physical slot one being even.However, configuring the frequency hops based on the physical slotnumber may result in an unbalanced usage of frequency where thefrequency hops may not be alternated and/or one frequency hop may beused more than one or more other frequency hops. Such unbalancedperformance may result in reduced transmission performance.

To improve transmission performance, the transmitting device and/or areceiving device may be configured to determine which frequency hop toapply to a repetition based on an uplink control channel index. In somecases, the uplink control channel index may be an uplink control channeltransmission occasion index, where each uplink transmission occasion maybe assigned a consecutive index (e.g., 0, 1, 2, etc.). In some cases,the uplink control channel index may be an uplink control channelrepetition index, where each repetition is assigned a consecutive index(e.g., 0, 1, 2, etc.). The frequency hop determined for each repetitionmay be based on the index being even or odd. For example, a UE mayreceive, from a base station, a configuration message configuring the UEto use frequency hopping when transmitting repetitions of an uplinkcontrol channel transmission (e.g., physical uplink control channel(PUCCH) transmission). The UE, the base station, or both may determine afrequency hop for each repetition of the uplink control channeltransmission. Each frequency hop may be determined based on acorresponding uplink control channel index for a respective repetition,such as an uplink transmission occasion index, or a repetition index.Determining the frequency hop to apply to each repetition based on theuplink control channel index may improve uplink transmission performanceby increasing the alternation between frequency hops and by balancingthe frequency hop usage. The UE may transmit the repetitions of theuplink control channel transmission using respective frequency hops inaccordance with the determination.

Particular aspects of the subject matter described herein may beimplemented to realize one or more advantages. The described techniquesmay support improvements in configuring frequency hop usage forrepetitions by improving diversity and reliability, and increasingconsistency. As such, supported techniques may include improved networkoperations and, in some examples, may promote network efficiencies,among other benefits.

Aspects of the disclosure are initially described in the context ofwireless communications systems. Aspects are the described withreference to a frequency hopping configuration, frequency hoppingprocedures, and a process flow. Aspects of the disclosure are furtherillustrated by and described with reference to apparatus diagrams,system diagrams, and flowcharts that relate to frequency hoppingtechniques for uplink control channel repetitions.

FIG. 1 illustrates an example of a wireless communications system 100that supports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thewireless communications system 100 may include one or more base stations105, one or more UEs 115, and a core network 130. In some examples, thewireless communications system 100 may be a Long Term Evolution (LTE)network, an LTE-Advanced (LTE-A) network, an LTE-A Pro network, or a NewRadio (NR) network. In some examples, the wireless communications system100 may support enhanced broadband communications, ultra-reliable (e.g.,mission critical) communications, low latency communications,communications with low-cost and low-complexity devices, or anycombination thereof.

The base stations 105 may be dispersed throughout a geographic area toform the wireless communications system 100 and may be devices indifferent forms or having different capabilities. The base stations 105and the UEs 115 may wirelessly communicate via one or more communicationlinks 125. Each base station 105 may provide a coverage area 110 overwhich the UEs 115 and the base station 105 may establish one or morecommunication links 125. The coverage area 110 may be an example of ageographic area over which a base station 105 and a UE 115 may supportthe communication of signals according to one or more radio accesstechnologies.

The UEs 115 may be dispersed throughout a coverage area 110 of thewireless communications system 100, and each UE 115 may be stationary,or mobile, or both at different times. The UEs 115 may be devices indifferent forms or having different capabilities. Some example UEs 115are illustrated in FIG. 1. The UEs 115 described herein may be able tocommunicate with various types of devices, such as other UEs 115, thebase stations 105, or network equipment (e.g., core network nodes, relaydevices, integrated access and backhaul (IAB) nodes, or other networkequipment), as shown in FIG. 1.

The base stations 105 may communicate with the core network 130, or withone another, or both. For example, the base stations 105 may interfacewith the core network 130 through one or more backhaul links 120 (e.g.,via an S1, N2, N3, or other interface). The base stations 105 maycommunicate with one another over the backhaul links 120 (e.g., via anX2, Xn, or other interface) either directly (e.g., directly between basestations 105), or indirectly (e.g., via core network 130), or both. Insome examples, the backhaul links 120 may be or include one or morewireless links.

One or more of the base stations 105 described herein may include or maybe referred to by a person having ordinary skill in the art as a basetransceiver station, a radio base station, an access point, a radiotransceiver, a NodeB, an eNodeB (eNB), a next-generation NodeB or agiga-NodeB (either of which may be referred to as a gNB), a Home NodeB,a Home eNodeB, or other suitable terminology.

A UE 115 may include or may be referred to as a mobile device, awireless device, a remote device, a handheld device, or a subscriberdevice, or some other suitable terminology, where the “device” may alsobe referred to as a unit, a station, a terminal, or a client, amongother examples. A UE 115 may also include or may be referred to as apersonal electronic device such as a cellular phone, a personal digitalassistant (PDA), a tablet computer, a laptop computer, or a personalcomputer. In some examples, a UE 115 may include or be referred to as awireless local loop (WLL) station, an Internet of Things (IoT) device,an Internet of Everything (IoE) device, or a machine type communications(MTC) device, among other examples, which may be implemented in variousobjects such as appliances, or vehicles, meters, among other examples.

The UEs 115 described herein may be able to communicate with varioustypes of devices, such as other UEs 115 that may sometimes act as relaysas well as the base stations 105 and the network equipment includingmacro eNBs or gNBs, small cell eNBs or gNBs, or relay base stations,among other examples, as shown in FIG. 1.

The UEs 115 and the base stations 105 may wirelessly communicate withone another via one or more communication links 125 over one or morecarriers. The term “carrier” may refer to a set of radio frequencyspectrum resources having a defined physical layer structure forsupporting the communication links 125. For example, a carrier used fora communication link 125 may include a portion of a radio frequencyspectrum band (e.g., a bandwidth part (BWP)) that is operated accordingto one or more physical layer channels for a given radio accesstechnology (e.g., LTE, LTE-A, LTE-A Pro, NR). Each physical layerchannel may carry acquisition signaling (e.g., synchronization signals,system information), control signaling that coordinates operation forthe carrier, user data, or other signaling. The wireless communicationssystem 100 may support communication with a UE 115 using carrieraggregation or multi-carrier operation. A UE 115 may be configured withmultiple downlink component carriers and one or more uplink componentcarriers according to a carrier aggregation configuration. Carrieraggregation may be used with both frequency division duplexing (FDD) andtime division duplexing (TDD) component carriers.

Signal waveforms transmitted over a carrier may be made up of multiplesubcarriers (e.g., using multi-carrier modulation (MCM) techniques suchas orthogonal frequency division multiplexing (OFDM) or discrete Fouriertransform spread OFDM (DFT-S-OFDM)). In a system employing MCMtechniques, a resource element may consist of one symbol period (e.g., aduration of one modulation symbol) and one subcarrier, where the symbolperiod and subcarrier spacing are inversely related. The number of bitscarried by each resource element may depend on the modulation scheme(e.g., the order of the modulation scheme, the coding rate of themodulation scheme, or both). Thus, the more resource elements that a UE115 receives and the higher the order of the modulation scheme, thehigher the data rate may be for the UE 115. A wireless communicationsresource may refer to a combination of a radio frequency spectrumresource, a time resource, and a spatial resource (e.g., spatial layersor beams), and the use of multiple spatial layers may further increasethe data rate or data integrity for communications with a UE 115.

The time intervals for the base stations 105 or the UEs 115 may beexpressed in multiples of a basic time unit which may, for example,refer to a sampling period of T_(s)=1/(Δf_(max)·N_(f)) seconds, whereΔf_(max) may represent the maximum supported subcarrier spacing, andN_(f) may represent the maximum supported discrete Fourier transform(DFT) size. Time intervals of a communications resource may be organizedaccording to radio frames each having a specified duration (e.g., 10milliseconds (ms)). Each radio frame may be identified by a system framenumber (SFN) (e.g., ranging from 0 to 1023).

Each frame may include multiple consecutively numbered subframes orslots, and each subframe or slot may have the same duration. In someexamples, a frame may be divided (e.g., in the time domain) intosubframes, and each subframe may be further divided into a number ofslots. Alternatively, each frame may include a variable number of slots,and the number of slots may depend on subcarrier spacing. Each slot mayinclude a number of symbol periods (e.g., depending on the length of thecyclic prefix prepended to each symbol period). In some wirelesscommunications systems 100, a slot may further be divided into multiplemini-slots containing one or more symbols. Excluding the cyclic prefix,each symbol period may contain one or more (e.g., N_(f)) samplingperiods. The duration of a symbol period may depend on the subcarrierspacing or frequency band of operation.

A subframe, a slot, a mini-slot, or a symbol may be the smallestscheduling unit (e.g., in the time domain) of the wirelesscommunications system 100 and may be referred to as a transmission timeinterval (TTI). In some examples, the TTI duration (e.g., the number ofsymbol periods in a TTI) may be variable. Additionally or alternatively,the smallest scheduling unit of the wireless communications system 100may be dynamically selected (e.g., in bursts of shortened TTIs (sTTIs)).

Physical channels may be multiplexed on a carrier according to varioustechniques. A physical control channel and a physical data channel maybe multiplexed on a downlink carrier, for example, using one or more oftime division multiplexing (TDM) techniques, frequency divisionmultiplexing (FDM) techniques, or hybrid TDM-FDM techniques. A controlregion (e.g., a control resource set (CORESET)) for a physical controlchannel may be defined by a number of symbol periods and may extendacross the system bandwidth or a subset of the system bandwidth of thecarrier. One or more control regions (e.g., CORESETs) may be configuredfor a set of the UEs 115. For example, one or more of the UEs 115 maymonitor or search control regions for control information according toone or more search space sets, and each search space set may include oneor multiple control channel candidates in one or more aggregation levelsarranged in a cascaded manner. An aggregation level for a controlchannel candidate may refer to a number of control channel resources(e.g., control channel elements (CCEs)) associated with encodedinformation for a control information format having a given payloadsize. Search space sets may include common search space sets configuredfor sending control information to multiple UEs 115 and UE-specificsearch space sets for sending control information to a specific UE 115.

In some examples, a base station 105 may be movable and thereforeprovide communication coverage for a moving geographic coverage area110. In some examples, different geographic coverage areas 110associated with different technologies may overlap, but the differentgeographic coverage areas 110 may be supported by the same base station105. In other examples, the overlapping geographic coverage areas 110associated with different technologies may be supported by differentbase stations 105. The wireless communications system 100 may include,for example, a heterogeneous network in which different types of thebase stations 105 provide coverage for various geographic coverage areas110 using the same or different radio access technologies.

The wireless communications system 100 may be configured to supportultra-reliable communications or low-latency communications, or variouscombinations thereof. For example, the wireless communications system100 may be configured to support ultra-reliable low-latencycommunications (URLLC) or mission critical communications. The UEs 115may be designed to support ultra-reliable, low-latency, or criticalfunctions (e.g., mission critical functions). Ultra-reliablecommunications may include private communication or group communicationand may be supported by one or more mission critical services such asmission critical push-to-talk (MCPTT), mission critical video (MCVideo),or mission critical data (MCData). Support for mission criticalfunctions may include prioritization of services, and mission criticalservices may be used for public safety or general commercialapplications. The terms ultra-reliable, low-latency, mission critical,and ultra-reliable low-latency may be used interchangeably herein.

In some examples, a UE 115 may also be able to communicate directly withother UEs 115 over a device-to-device (D2D) communication link 135(e.g., using a peer-to-peer (P2P) or D2D protocol). One or more UEs 115utilizing D2D communications may be within the geographic coverage area110 of a base station 105. Other UEs 115 in such a group may be outsidethe geographic coverage area 110 of a base station 105 or be otherwiseunable to receive transmissions from a base station 105. In someexamples, groups of the UEs 115 communicating via D2D communications mayutilize a one-to-many (1:M) system in which each UE 115 transmits toevery other UE 115 in the group. In some examples, a base station 105facilitates the scheduling of resources for D2D communications. In othercases, D2D communications are carried out between the UEs 115 withoutthe involvement of a base station 105.

The core network 130 may provide user authentication, accessauthorization, tracking, Internet Protocol (IP) connectivity, and otheraccess, routing, or mobility functions. The core network 130 may be anevolved packet core (EPC) or 5G core (5GC), which may include at leastone control plane entity that manages access and mobility (e.g., amobility management entity (MME), an access and mobility managementfunction (AMF)) and at least one user plane entity that routes packetsor interconnects to external networks (e.g., a serving gateway (S-GW), aPacket Data Network (PDN) gateway (P-GW), or a user plane function(UPF)). The control plane entity may manage non-access stratum (NAS)functions such as mobility, authentication, and bearer management forthe UEs 115 served by the base stations 105 associated with the corenetwork 130. User IP packets may be transferred through the user planeentity, which may provide IP address allocation as well as otherfunctions. The user plane entity may be connected to IP services 150 forone or more network operators. The IP services 150 may include access tothe Internet, Intranet(s), an IP Multimedia Subsystem (IMS), or aPacket-Switched Streaming Service.

Some of the network devices, such as a base station 105, may includesubcomponents such as an access network entity 140, which may be anexample of an access node controller (ANC). Each access network entity140 may communicate with the UEs 115 through one or more other accessnetwork transmission entities 145, which may be referred to as radioheads, smart radio heads, or transmission/reception points (TRPs). Eachaccess network transmission entity 145 may include one or more antennapanels. In some configurations, various functions of each access networkentity 140 or base station 105 may be distributed across various networkdevices (e.g., radio heads and ANCs) or consolidated into a singlenetwork device (e.g., a base station 105).

The wireless communications system 100 may operate using one or morefrequency bands, typically in the range of 300 megahertz (MHz) to 300gigahertz (GHz). Generally, the region from 300 MHz to 3 GHz is known asthe ultra-high frequency (UHF) region or decimeter band because thewavelengths range from approximately one decimeter to one meter inlength. The UHF waves may be blocked or redirected by buildings andenvironmental features, but the waves may penetrate structuressufficiently for a macro cell to provide service to the UEs 115 locatedindoors. The transmission of UHF waves may be associated with smallerantennas and shorter ranges (e.g., less than 100 kilometers) compared totransmission using the smaller frequencies and longer waves of the highfrequency (HF) or very high frequency (VHF) portion of the spectrumbelow 300 MHz.

The wireless communications system 100 may utilize both licensed andunlicensed radio frequency spectrum bands. For example, the wirelesscommunications system 100 may employ License Assisted Access (LAA),LTE-Unlicensed (LTE-U) radio access technology, or NR technology in anunlicensed band such as the 5 GHz industrial, scientific, and medical(ISM) band. When operating in unlicensed radio frequency spectrum bands,devices such as the base stations 105 and the UEs 115 may employ carriersensing for collision detection and avoidance. In some examples,operations in unlicensed bands may be based on a carrier aggregationconfiguration in conjunction with component carriers operating in alicensed band (e.g., LAA). Operations in unlicensed spectrum may includedownlink transmissions, uplink transmissions, P2P transmissions, or D2Dtransmissions, among other examples.

A base station 105 or a UE 115 may be equipped with multiple antennas,which may be used to employ techniques such as transmit diversity,receive diversity, multiple-input multiple-output (MIMO) communications,or beamforming. The antennas of a base station 105 or a UE 115 may belocated within one or more antenna arrays or antenna panels, which maysupport MIMO operations or transmit or receive beamforming. For example,one or more base station antennas or antenna arrays may be co-located atan antenna assembly, such as an antenna tower. In some examples,antennas or antenna arrays associated with a base station 105 may belocated in diverse geographic locations. A base station 105 may have anantenna array with a number of rows and columns of antenna ports thatthe base station 105 may use to support beamforming of communicationswith a UE 115. Likewise, a UE 115 may have one or more antenna arraysthat may support various MIMO or beamforming operations. Additionally oralternatively, an antenna panel may support radio frequency beamformingfor a signal transmitted via an antenna port.

Beamforming, which may also be referred to as spatial filtering,directional transmission, or directional reception, is a signalprocessing technique that may be used at a transmitting device or areceiving device (e.g., a base station 105, a UE 115) to shape or steeran antenna beam (e.g., a transmit beam, a receive beam) along a spatialpath between the transmitting device and the receiving device.Beamforming may be achieved by combining the signals communicated viaantenna elements of an antenna array such that some signals propagatingat particular orientations with respect to an antenna array experienceconstructive interference while others experience destructiveinterference. The adjustment of signals communicated via the antennaelements may include a transmitting device or a receiving deviceapplying amplitude offsets, phase offsets, or both to signals carriedvia the antenna elements associated with the device. The adjustmentsassociated with each of the antenna elements may be defined by abeamforming weight set associated with a particular orientation (e.g.,with respect to the antenna array of the transmitting device orreceiving device, or with respect to some other orientation).

In some wireless communications systems, such as wireless communicationssystem 100, a UE 115 may receive, from a base station 105, a controlmessage identifying a frequency hop configuration that configures the UE115 to use frequency hopping when transmitting repetitions of an uplinkcontrol channel transmission (e.g., PUCCH transmission). The UE 115, thebase station 105, or both may determine, based on the UE 115 beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel transmission. Eachfrequency hop may be determined based on a corresponding uplink controlchannel index, such as an uplink transmission occasion index, or arepetition index, for a respective repetition. For example, thefrequency hop used for each repetition may be based on an index of anuplink transmission occasion or an index associated with the repetition.The frequency hop used for each repetition may be based on the indexbeing even or odd. Determining the frequency hop to apply to eachrepetition based on the uplink control channel index may improve uplinktransmission performance by increasing the alternation between frequencyhops and by balancing the frequency hop usage. The UE 115 may transmitthe repetitions of the uplink control channel transmission usingrespective frequency hops in accordance with the determination and thefrequency hop configuration.

FIG. 2 illustrates an example of a wireless communications system 200that supports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thewireless communications system 200 may include base station 105-a and UE115-a, which may be examples of a base station 105 and a UE 115 asdescribed with reference to FIG. 1. Base station 105-a may serve ageographic coverage area 110-a. In some cases, base station 105-a and/orUE 115-a may implement a frequency hopping determination procedure todetermine a frequency hop 215 to apply to each repetition of an uplinktransmission (e.g., uplink shared channel transmission, uplink controlchannel transmission).

UE 115-a may be connected to or otherwise may communicate with basestation 105-a. For example, base station 105-a may transmit one or moredownlink signals to UE 115-a via communication link 205-a (e.g., adownlink communications link, a beam formed communications link) and UE115-a may transmit one or more uplink signals to base station 105-a viacommunication link 205-b (e.g., an uplink communications link, a beamformed communications link). In some cases, UE 115-a may be configured,such as by base station 105-a, to transmit repetitions of an uplinktransmission (e.g., a transport block), such as an uplink controlchannel transmission (e.g., PUCCH transmission), where UE 115-a maytransmit the same uplink signal (e.g., the same control information,date information, etc.) in multiple TTIs (e.g., slots). UE 115-a may beconfigured to transmit the repetitions for enhanced coverage as basestation 105-a is likely to receive at least one of the repetitions. Ifbase station 105-a receives multiple repetitions, base station 105-a maycombine the multiple repetitions to successfully receive and decode theuplink transmission.

In some cases, UE 115-a may receive an indication of a number ofrepetitions for UE 115-a to perform, and UE 115-a may determine in whichslot, for example, to allocate each repetition. UE 115-a may beconfigured to transmit PUCCH repetitions in accordance with PUCCHrepetition format. For PUCCH repetition formats 1, 3, and 4, a UE 115may be configured with a number of slots, N_(PUCCH) ^(repeat), forrepetitions of a PUCCH transmission by respective configurationindication (e.g., nrofSlots). If a UE is provided PUCCH-config thatincludes subslotLengthForPUCCH, the UE 115 may not expect thePUCCH-config to include nrofSlots. In some cases, such as when N_(PUCCH)^(repeat)>1, the UE 115 may repeat the PUCCH with the uplink controlinformation (UCI) over N_(PUCCH) ^(repeat) slots. In some cases, such aswhen N_(PUCCH) ^(repeat)>1, a PUCCH transmission in each slot of theN_(PUCCH) ^(repeat) slots may have a same number of consecutive slots,as provided by nrofSymbols in PUCCH-format1, nrofSymbols inPUCCH-format3, or nrofSymbols in PUCCH-format4. In some cases, such aswhen N_(PUCCH) ^(repeat)>1, a PUCCH transmission in each of theN_(PUCCH) ^(repeat) slots may have a same first symbol, as provided bystartingSymbollndex in PUCCH-format1, startingSymbollndex inPUCCH-format3, or startingSymbollndex in PUCCH-format4. If a UE 115would transmit a PUCCH over N_(PUCCH) ^(repeat) slots and the UE doesnot transmit the PUCCH in a slot from the N_(PUCCH) ^(repeat) slots dueto overlapping with another PUCCH transmission the slot, the UE maycount the slot in the number of N_(PUCCH) ^(repeat) slots.

In some implementations, UE 115-a may be configured to allocate thenumber of repetitions in uplink configured slots (e.g., uplinktransmission occasions) such as an uplink slot, or a special slotflexibly configured for uplink communications. In some cases, a specialslot may be referred to as a flexible slot. As such, UE 115-a mayrefrain from allocating a repetition to a downlink configured slot. UE115-a may be configured to allocate the number of repetitions in uplinkconfigured slots while using a TDD configuration or an FDDconfiguration. As such, UE 115-a may transmit each repetition, up to thenumber of configured repetitions, because each repetition is allocatedto an uplink configured slot. In such cases, UE 115-a may allocate therepetitions to non-consecutive slots.

In some cases, UE 115-a may be configured, by default to allocaterepetitions to uplink configured slots. In some cases, UE 115-a mayreceive aperiodic, semi-persistent, or dynamic signaling via radioresource control (RRC), medium access control (MAC) control element(MAC-CE), or downlink control information (DCI), respectively, that mayconfigure UE 115-a to allocate the repetitions to uplink configuredslots. In some cases, the allocation configuration may be based on UE115-a using a TDD configuration, or an FDD configuration.

In some cases, UE 115-a may be configured to transmit the repetitionsusing a frequency hopping procedure to further improve transmissionperformance by providing frequency diversity. For example, frequencyhopping may include using different frequency resources (for example,carriers or subcarriers) over one or more time resources (for example,symbols, mini-slots, slots, subframes, or frames). As such, UE 115-a maytransmit each repetition using one frequency hop 215 of a set offrequency hops. In some wireless communications systems, UE 115-a maydetermine which frequency hop 215 to use for each repetition based on aphysical slot number, where the frequency hop 215 may be based on thephysical slot number being even or odd. For example, physical slotszero, two, four, six, etc. may be associated with a first frequency hop215-a (e.g., frequency hop 1, a first frequency) and physical slots one,three, five, seven, etc. may be associated with a second frequency hop215-b (e.g., frequency hop 2, a second frequency). Accordingly, UE 115-amay transmit a repetition allocated to physical slot one using thesecond frequency hop 215 based on physical slot one being odd, and maytransmit a repetition allocated to physical slot two using a firstfrequency hop 215 based on physical slot one being even.

However, configuring the frequency hops based on the physical slotnumber may result in an unbalanced usage of frequency hops where thefrequency hops may not be alternated and/or one frequency hop 215 may beused more than one or more other frequency hops. For example, UE 115-amay allocate repetitions slot 4, 8, 9, 14, 18, 19, and 24 of a TDDconfiguration, such as a DDDSUDDSUU configuration, where D may refer toa downlink configured slot, U may refer to uplink configuration slot,and S may refer to a special slot. In such cases, UE 115-a may transmitthe repetitions using a first frequency hop 215-a in slots 4, 8, 14, 18,and 24, and may transmit repetitions using a second frequency hop 215-bin slots 9, and 19. As such, UE 115-a may not alternative frequency hopsfrom slot 4 to slot 8 and from slot 14 to slot 18. Further, UE 115-a maytransmit five repetitions using the first frequency hop 215-a andtransmit two repetitions using the second frequency hop. Suchunbalanced, un-alternating, performance may result in reducedtransmission performance.

To improve transmission performance, UE 115-a and/or base station 105-amay be configured to determine which frequency hop 215 to apply to arepetition based on an uplink control channel index. In some cases, theuplink control channel index may be an uplink control channeltransmission occasion index (e.g., as described with reference to FIG.4), where each uplink transmission occasion may be assigned an index(e.g., 0, 1, 2, etc.). In some cases, the uplink control channel indexmay be an uplink control channel repetition index (e.g., as describedwith reference to FIG. 5), where each repetition is assigned an index(e.g., 0, 1, 2, etc.). The frequency hop 215 determined for eachrepetition may be based on the index being even or odd. For example, UE115-a may receive, from base station 105-a via communication link 205-a,a configuration message such as in a control message, where theconfiguration message may include a frequency hopping indication 210.The frequency hopping indication 210 may configure UE 115-a to usefrequency hopping when transmitting repetitions of an uplink controlchannel transmission (e.g., PUCCH transmission). UE 115-a, base station105-a, or both may determine a frequency hop 215 for each repetition ofthe uplink control channel transmission. Each frequency hop 215 may bedetermined based on a corresponding uplink control channel index for arespective repetition, such as an uplink transmission occasion index, ora repetition index. Determining the frequency hop 215 to apply to eachrepetition based on the uplink control channel index may improve uplinktransmission performance by increasing the alternation between frequencyhops and by balancing the frequency hop usage. UE 115-a may transmit therepetitions of the uplink control channel transmission using respectivefrequency hops in accordance with the determination and the frequencyhop indication. For example, UE 115-a may transmit a first repetitionassociated with an even index using a first frequency hop 215-a, and atransmit a second repetition associated with an odd index using a secondfrequency hop 215-b.

FIG. 3 illustrates an example of a frequency hopping configuration 300that supports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thefrequency hopping configuration 300 may be implemented by a basestation, or a UE, or both, which may be examples of a base station and aUE as described with reference to FIGS. 1 and 2. In some cases, a basestation and/or a UE may implement a frequency hopping determinationprocedure to determine a frequency hop 315 to apply to each repetitionof an uplink transmission (e.g., uplink control channel transmission,uplink shared channel transmission) in accordance with frequency hoppingconfiguration 300.

In some implementations, a transmitting device, such as a UE, may beconfigured to perform intra-slot frequency hopping in which the UE mayuse multiple frequency hops within one slot. In some cases, a UE may beconfigured to perform inter-slot frequency hopping in which the UE maytransmit an uplink transmission using one frequency hop 315 per slotover multiple slots. For example, the UE may transmit a first uplinktransmission (e.g., a first repetition) in a first slot 305-a using afirst frequency hop 315-a and transmit a second uplink transmission(e.g., a second repetition) in second slot 305-b using a secondfrequency hop.

In some implementations, if a UE is configured to perform frequencyhopping for PUCCH transmission across different slots, the UE mayperform frequency hopping per slot. The UE may transmit the PUCCHstarting from a first resource (e.g., a first physical resource block(PRB)), provided by startingPRB, in slots with even numbers and startingfrom a second resource (e.g., a second PRB), provided by secondHopPRB,in slots with odd numbers. The slot indicated to the UE for the firstPUCCH transmission may have a number zero and each subsequent slot untilthe UE transmits the PUCCH in N_(PUCCH) ^(repeat) slots is countedregardless of whether or not the UE transmits the PUCCH in the slot. TheUE may not expect to be configured to perform frequency hopping for aPUCCH transmission within a slot.

A frequency hop 315 may be defined as its starting location in thefrequency domain. In some cases, the definition of first frequency hop315-a and the second frequency hop 315-b and the condition under whichto use the first frequency hop 315-a and the second frequency hop 315-bmay be given by Equation 1.

$\begin{matrix}{{{RB}_{start}\left( n_{S}^{u} \right)} = \left\{ \begin{matrix}{RB}_{start} & {{n_{s}^{u}{mod}2} = 0} \\{\left( {{RB}_{start} + {RB}_{offset}} \right){mod}N_{BWP}^{size}} & {{n_{S}^{u}{mod}2} = 1}\end{matrix} \right.} & \left( {{Equation}1} \right)\end{matrix}$

n_(s) ^(u) may refer to the current slot number within a radio frame,where a multi-slot PUCCH transmission may take place, RB_(start) may bethe starting resource block within the uplink BWP, as calculated fromthe resource block assignment information (e.g., of resource allocationtype 1), and RB_(Offset) may be the frequency offset in resource blocksbetween the two frequency hops. Accordingly, a repetition transmittedusing a first frequency hop 315-a, in a first slot 305-a, may begin atstart 310 (e.g., RB_(start)) in the frequency domain, and a repetitiontransmitted using a second frequency hop 315-b, in a second slot 305-bmay begin at a location in the frequency domain that is offset 320 fromstart 310 (e.g., RB_(start) RB_(Offset)).

Equation 1 may also determine which frequency hop 315 to use for arepetition based on the slot the repetition is allocated to. Forexample, n_(s) ^(u)mod2=0 may indicate that an even numbered slot may beused to transmit a frequency hop 315 that starts at RB_(start) (e.g., afirst frequency hop 315-a), and n_(s) ^(u)mod2=1 may indicate that anodd numbered slot may be used to transmit a hop that starts atRB_(start)+RB_(offset) (e.g., a second frequency hop 315-b).

As described herein, configuring the frequency hops based on thephysical slot number may result in an unbalanced usage of frequency hopswhere the frequency hops may not be alternated and/or one frequency hop315 may be used more than one or more other frequency hops 315. As such,in some cases, a UE may be configured to transmit a first frequency hop315-a based on an uplink control channel index being even and transmit asecond frequency hop 315-b based on an uplink control channel indexbeing odd, where n_(s) ^(u) may instead refer a current index number.Accordingly, the UE may transmit a first repetition associated with aneven index using the first frequency hop 315-a in a first slot 305-a atstart 310, and transmit a second repetition associated with an odd indexusing the second frequency hop 315-b in a second slot 305-b at offset320 from start 310.

FIG. 4 illustrates an example of a frequency hopping procedure 400 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thefrequency hopping procedure 400 may be implemented by a base station, ora UE, or both, which may be examples of a base station and a UE asdescribed with reference to FIGS. 1 through 3. In some cases, a basestation and/or a UE may implement a frequency hopping determinationprocedure to determine a frequency hop 415 to apply to each repetitionof an uplink transmission (e.g., uplink control channel transmission,uplink shared channel transmission) and the UE may transmit eachrepetition using a determined frequency hop. Frequency hopping procedure400 may depict a TDD configuration (e.g., DDDSUDDSUU, where D may referto a downlink configured slot 405, U may refer to an uplink configuredslot 410, and S may refer to a special slot (e.g., special slot 420)that may include Nd downlink symbols at the beginning of the specialslot 420, Nu uplink symbols at the end of the special slot 420, and Nfflexible symbols in the middle of special slot 420. Nd, Nu, and Nf maybe semi-statically or dynamically configured), but the techniquesdescribed herein may not be limited to the depicted slot configuration.Further, the procedure described herein may be performed using a TDDoperation (e.g., a TDD operation in an unpaired spectrum) or an FDDoperation (e.g., an FDD operation in an unpaired spectrum). Frequencyhopping procedure 400 may depict TTIs (e.g., slots, symbols, mini-slots)0 through 24, but the techniques described herein may be implementedusing any number of TTIs.

A UE may be configured to transmit a number of repetitions of an uplinktransmission using frequency hopping. For example, the UE may beconfigured to transmit at least 8 repetitions. In some implementations,the UE may allocate the repetitions to uplink configured slots (e.g.,uplink configured slots 410, or special slots 420 configured for uplinkcommunications), such that the UE may allocate one repetition to slot 4,one repetition to slot 8, one repetition to slot 9, one repetition toslot 13 (e.g., a special slot 420 configured for uplink communications),one repetition to slot 14, and so on, up to the number of repetitions.

As described herein, to improve transmission performance, a UE and/or abase station may be configured to determine which frequency hop 415 toapply to each repetition based on an uplink control channel index. Insome cases, the uplink control channel index may be an uplink controlchannel transmission occasion index. For example, the UE and/or basestation may be configured to identify each uplink transmission occasionin a set of resources, such as a set of resources configured accordingto a TDD configuration, or an FDD configuration. An uplink transmissionoccasion may refer to an uplink only slot, or a special slot that isconfigured to include an uplink transmission, such as slot 13. Uponidentifying each uplink transmission occasion, the UE may assign onindex value to each uplink transmission occasion in a consecutivemanner. For example, the UE and/or a base station may be identify thatphysical slot numbers 4, 8, 9, 13, 14, 18, 19, and 24 are configured foruplink communications. The UE and/or base station may assign an index toeach uplink transmission occasions. For example, the UE may assign a 0to physical slot number 4, a 1 to physical slot number 8, a 2 tophysical slot number 9, a 3 to physical slot number 13, a 4 to physicalslot number 14, a 5 to physical slot number 18, a 6 to physical slotnumber 19, and a 7 to physical slot number 24.

The UE may then identify the uplink transmission occasions that havebeen allocated to a repetition. In this example, a repetition isallocated to at least physical slot numbers 4, 8, 9, 13, 14, 18, 19, and24 (e.g., uplink transmission occasions indices 0, 1, 2, 3, 4, 5, 6, 7,respectively). The UE may identify whether each repetition in the uplinktransmission occasions is associated with an even uplink transmissionoccasion index, or an odd uplink transmission occasion index. The UE maydetermine which frequency hop 415 to use for each repetition based onwhether the uplink transmission occasion index is even or odd. Forexample, the UE may use a first frequency hop 415-a for repetitionsassociated with an even uplink transmission occasion index, and use asecond frequency hop 415-b for repetitions associated with an odd uplinktransmission occasion index.

For example, the UE may identify that the repetitions allocated tophysical slots 4, 9, 14, and 19 are associated with uplink transmissionoccasion indices 0, 2, 4, and 6, respectively which are even indices. Assuch, the UE may use a first frequency hop 415-a for the repetitionsallocated to physical slots 4, 9, 14, and 19. The UE may identify thatthe repetitions allocated to physical slots 8, 13, 18, and 24 areassociated with uplink transmission occasion indices 1, 3, 5, and 7,respectively, which are odd indices. As such, the UE may use a secondfrequency hop 415-b for transmitting the repetitions allocated tophysical slots 8, 13, 18, and 24. The UE may transmit the repetitions inphysical slots 4, 8, 9, 13, 14, 18, 19, and 24 using the frequency hop415 determined for each repetition based on the uplink transmissionoccasion index.

FIG. 5 illustrates an example of a frequency hopping procedure 500 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thefrequency hopping procedure 500 may be implemented by a base station, ora UE, or both, which may be examples of a base station and a UE asdescribed with reference to FIGS. 1 through 4. In some cases, a basestation and/or a UE may implement a frequency hopping determinationprocedure to determine a frequency hop 515 to apply to each repetitionof an uplink transmission (e.g., uplink control channel transmission,uplink shared channel transmission) and the UE may transmit eachrepetition using a determined frequency hop. Frequency hopping procedure500 may depict a TDD configuration (e.g., DDDSUDDSUU, where D may referto a downlink configured slot 505, U may refer to an uplink configuredslot 510, and S may refer to a special slot (e.g., special slot 520)that may include Nd downlink symbols at the beginning of the specialslot 520, Nu uplink symbols at the end of the special slot 520, and Nfflexible symbols in the middle of special slot 520. Nd, Nu, and Nf maybe semi-statically or dynamically configured), but the techniquesdescribed herein may not be limited to the depicted slot configuration.Further, the procedure described herein may be performed using a TDDoperation (e.g., a TDD operation in an unpaired spectrum) or an FDDoperation (e.g., an FDD operation in an unpaired spectrum). Frequencyhopping procedure 500 may depict TTIs (e.g., slots, symbols, mini-slots)0 through 24, but the techniques described herein may be implementedusing any number of TTIs.

A UE may be configured to transmit a number of repetitions of an uplinktransmission using frequency hopping. For example, the UE may beconfigured to transmit at least 6 repetitions. In some implementations,the UE may allocate the repetitions to uplink configured slots (e.g.,uplink configured slots 510, or special slots 520 configured for uplinkcommunications), such that the UE may allocate one repetition to slot 4,one repetition to slot 8, one repetition to slot 9, one repetition toslot 14, and so on, up to the number of repetitions.

As described herein, to improve transmission performance, a UE and/or abase station may be configured to determine which frequency hop 515 toapply to a repetition based on an uplink control channel index. In somecases, the uplink control channel index may be an uplink repetitionindex. The UE and/or base station may assign a repetition index to eachrepetition that the UE may transmit in a consecutive manner. Forexample, if the UE allocated the repetitions to uplink configured slots,then the UE may assign a repetition to each of the repetitions as the UEmay transmit each of the repetitions allocated to the uplink configuredslots.

Accordingly, the UE may determine that repetitions are allocated tophysical slots 4, 8, 14, 18, 19, and 24 which are configured for uplinkcommunications. As such, the UE may assign a repetition index of 0 tothe repetition allocated to physical slot 4, a repetition index of 1 tothe repetition allocated to physical slot 8, a repetition index of 2 tothe repetition allocated to physical slot 14, a repetition index of 3 tothe repetition allocated to physical slot 18, a repetition index of 4 tothe repetition allocated to physical slot 19, and a repetition index of5 to the repetition allocated to physical slot 24.

The UE may identify whether each repetition is associated with an evenrepetition index, or an odd repetition index. The UE may determine whichfrequency hop 515 to use based on whether the repetition index is evenor odd. For example, the UE may use a first frequency hop 515-a forrepetitions associated with an even repetition index, and use a secondfrequency hop 515-b for repetitions associated with an odd repetitionindex.

For example, the UE may identify that the repetitions allocated tophysical slots 4, 14, and 19 are associated with repetition indices 0,2, and 4, respectively, which are even indices. As such, the UE may usea first frequency hop 515-a for the repetitions allocated to physicalslots 4, 14, and 19. The UE may identify that the repetitions allocatedto physical slots 8, 18, and 24 are associated with repetition indices1, 3, and 5, respectively, which are odd indices. As such, the UE mayuse a second frequency hop 515-b for transmitting the repetitionsallocated to physical slots 8, 18, and 24. The UE may transmit therepetitions in physical slots 4, 8, 14, 18, 19, and 24 using thefrequency hop 515 determined for each repetition based on the uplinktransmission occasion index.

As the index is associated with the repetition, rather than a physicallocation, the transmission configuration may be dynamically updated. Forexample, the UE may have originally allocate a repetition to physicalslot 9 which is an uplink configured slot. This repetition may have beenthe third consecutive repetition, and as such, may have been assigned arepetition index of 2. The UE therefore would have used the firstfrequency hop 515-a to transmit this repetition. However, in a slotprior to physical slot 9, the UE may receive a dynamic message (e.g.,and DCI message) indicating that physical slot 9 is to be used for andifferent uplink transmission than the repetition, such as an uplinktransmission of higher priority than the repetition. As such, therepetition originally allocated to physical slot 9 may be at leastpartially canceled. If the UE determines to cancel the repetition inphysical slot 9, then the new third consecutive repetition may belocated in physical slot 14. As such, the repetition located in physicalslot 14 may be assigned a repetition index of 2, and may be transmittedusing a first frequency hop 515-a. As such, the frequency hops maycontinue to alternate, even in the case of a canceled repetition.

In another example, one or more repetitions may be canceled. Forexample, the UE may receive a downlink pre-emption indication (DLPI)that may indicate that one or more resources in a slot are preempted. Inanother example, the UE may receive an uplink cancellation indication(ULCI) that may indicate that one or more resources of an ongoingtransmission are canceled, such as one or more resources associated witha future repetition. The future repetition may be canceled or partiallycanceled so the UE may transmit or receive another transmission, such asa higher priority transmission. In some cases, the UE may support dualactive protocol stack (DAPS) in which the UE may simultaneously connectto a source base station (e.g., source cell) and a target base station(e.g., target cell). The UE may support DAPS for intra-frequencyhandover, intra-band inter-frequency handover, or inter-bandinter-frequency handover, or a combination thereof. In some cases, theUE may be scheduled to transmit simultaneous uplink transmissions toeach of the source base station and the target base station. However, insome cases, the UE may have to cancel one of the uplink transmissions.For DAPS handover that is not intra-frequency, if the UE indicatessupport of ul-TransCancellationDAPS, and the UE does not indicate acapability for power sharing between the source base station and thetarget master cell group (MCG) in DAPS handover or the UE is notprovided with uplinkPowerSharingDAPS-Mode, and the UE has uplinktransmissions scheduled to the target base station and the source basestation in overlapping time resources, the UE may transmit only theuplink transmission to the target base station and cancel the uplinktransmission to the source base station. For intra-frequency DAPShandover, if the UE has uplink transmissions scheduled to the targetbase station and the source base station in overlapping time resources,the UE may transmit only the uplink transmission to the target basestation and cancel the uplink transmission to the source base station.As such, for an uplink transmission occasion or slot, ULCI, DAPshandover, or some other event, may cancel at least a portion of anuplink transmission (e.g., a repetition). If cancellation occurs earlyin a slot such that a large portion of the uplink transmission iscanceled, then the uplink transmission may not be useful. Ifcancellation occurs later in a slot such that a small portion of theuplink transmission is canceled, then the uplink transmission may beuseful.

For example, the UE may have scheduled a repetition in slot 8, and theUE may determine to transmit the repetition using a second frequency hop515-b based on the uplink control channel index (e.g., uplinktransmission occasion index, uplink repetition index) being odd.However, the UE may receive an indication (e.g., a dynamic indication inDCI) prior to slot 8, that indicates that a higher priority transmissionis scheduled in slot 8 that at least partially overlaps with therepetition in slot 8. As such, at least the portion (e.g., symbols) ofthe repetition that overlaps with the higher priority transmission maybe canceled. In some implementations, the UE may determine the amount ofthe repetition that is canceled (e.g., a number of symbols, a durationof time) and/or the amount of the repetition remaining (e.g., thenon-canceled portion of the repetition). In some implementations, the UEmay compare the remaining amount to a first threshold, where the UE maybe preconfigured with the first threshold, or receive signaling (e.g.,RRC, DCI, MAC-CE) indicating the first threshold. In some cases, if theremaining amount is below the first threshold, then the UE may determineto transmit the remaining portion (e.g., the non-canceled portion) ofthe repetition using the frequency hop that was originally assigned tothe repetition (e.g., the second frequency hop 515-b). In some othercases, if the remaining amount is below the first threshold, then the UEmay determine to transmit the remaining portion of the repetition usingthe frequency hop 515 used for the previous repetition, such as thefirst frequency hop 515-a used to transmit the repetition in slot 4. Insome cases, if the remaining amount is less the first threshold, thenthe UE may determine to refrain from transmitting the repetition.

In some other implementations, the UE may compare the canceled amount toa second threshold (e.g., different than the first threshold), where theUE may be preconfigured with the second threshold, or receive signaling(e.g., RRC, DCI, MAC-CE) indicating the second threshold. In some cases,if the canceled amount is above the second threshold, then the UE maydetermine to transmit the remaining (e.g., non-canceled) portion of therepetition using the frequency hop originally assigned to the repetition(e.g., the second frequency hop 515-b). In some other cases, if thecanceled amount is above the second threshold, then the UE may determineto transmit the remaining portion of the repetition using the frequencyhop 515 used for the previous repetition, such as the first frequencyhop 515-a used to transmit the repetition in slot 4. In some cases, ifthe canceled amount is above the second threshold, then the UE maydetermine to refrain from transmitting the repetition.

In some cases, a UE may be configured, by default, to determinefrequency hops 515 based on an uplink transmission occasion index, ormay be configured, by default to determine frequency hops 515 based on arepetition index. In some cases, the UE may receive aperiodic,semi-persistent, or dynamic signaling via RRC, MAC-CE, or DCI,respectively, that may configure UE 115-a to use the uplink transmissionoccasion index, or the repetition index for determining frequency hops515.

FIG. 6 illustrates an example of a process flow 600 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The process flow 600may illustrate an example frequency hopping determination procedure fortransmitting one or more repetitions of a transmission. For example,base station 105-b and/or UE 115-b may implement a frequency hoppingdetermination procedure to determine a frequency hop to apply to eachrepetition of an uplink transmission (e.g., uplink control channeltransmission, uplink shared channel transmission). Base station 105-band UE 115-b may be examples of the corresponding wireless devicesdescribed with reference to FIGS. 1 through 5. Alternative examples ofthe following may be implemented, where some steps are performed in adifferent order than described or are not performed at all. In somecases, steps may include additional features not mentioned below, orfurther steps may be added.

At 605, UE 115-b may receive, such as from base station 105-b, a controlmessage (e.g., physical downlink control channel (PDCCH), DCI, RRC,MAC-CE) identifying a frequency hop configuration that configures UE115-b to use frequency hopping when transmitting repetitions of anuplink control channel (e.g., PUCCH).

In some implementations, UE 115-b may determine a counting configurationfor allocating each repetition of the uplink control channel to arespective slot of a plurality of slots, receive an indication of anumber of repetitions to transmit for the uplink control channel, andallocate each repetition, up to the number of repetitions, to theplurality of slots in accordance with the counting configuration. In anexample, UE 115-b may allocate each repetition, up to the number ofrepetitions, to uplink configured slots only. An uplink configured slotis an uplink slot or a special slot allocated for uplink transmissions.UE 115-b may transmit each repetition that is allocated to the uplinkconfigured slots.

In some cases, UE 115-b may identify a plurality of repetitions, whereeach repetition of the plurality of repetitions is allocated to anuplink configured slot. UE 115-b may assign a first uplink controlchannel index to a first repetition of the plurality of repetitions, anddetermine a first frequency hop for the first repetition based on thefirst uplink control channel index being even. UE 115-b may assign asecond uplink control channel index to a second repetition of theplurality of repetitions, and determine a second frequency hop for thesecond repetition based on the second uplink control channel index beingodd.

In some implementations, UE 115-b may identify a plurality of uplinktransmission occasions, and assign each uplink transmission occasion ofthe plurality of uplink transmission occasions an uplink control channelindex. Determining the frequency hop for each repetition may be based onthe uplink control channel index assigned to each uplink transmissionoccasion being even or odd. In an example, UE 115-b may assign a firstuplink control channel index to a first uplink transmission occasion ofthe plurality of uplink transmission occasions, where a repetition maybe allocated to the first uplink transmission occasion. UE 115-b maydetermine a first frequency hop for the repetition allocated to thefirst uplink transmission occasion based on the first uplink controlchannel index being even. In an example, UE 115-b may assign a seconduplink control channel index to a second uplink transmission occasion ofthe plurality of uplink transmission occasions, where a repetition maybe allocated to the second uplink transmission occasion. UE 115-b maydetermine a second frequency hop for the repetition allocated to thesecond uplink transmission occasion based on the second uplink controlchannel index being odd.

At 610, UE 115-b may determine, based on UE 115-b being configured withthe frequency hop configuration, a frequency hop for each repetition ofthe uplink control channel. Each frequency hop may be determined basedon a corresponding uplink control channel index for a respectiverepetition.

At 615, base station 105-b may determine, based on UE 115-b beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel. Each frequency hop may bedetermined based on a corresponding uplink control channel index for arespective repetition.

In some implementation, UE 115-b and/or base station 105-b may determinethe frequency hop for a selected repetition of the uplink controlchannel based on an uplink control channel transmission occasion indexcorresponding to the selected repetition, where the uplink controlchannel transmission occasion index is the uplink control channel index.In some implementation, UE 115-b and/or base station 105-b may determinethe frequency hop for a selected repetition of the uplink controlchannel based on an uplink control channel repetition indexcorresponding to the selected repetition, where the uplink controlchannel repetition index is the uplink control channel index. In someimplementation, UE 115-b and/or base station 105-b may determine thefrequency hop for a selected repetition of the uplink control channelbased on a logical index corresponding to each of the available slotsfor uplink transmission, where the logical index is the uplink controlchannel index.

At 620, UE 115-b may transmit the repetitions of the uplink controlchannel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in available slots. UE115-b may transmit each repetition of the uplink control channel in asame starting location in each available slot of the available slots,where each repetition may be transmitted for a same duration. UE 115-bmay transmit the repetitions of the uplink control channel in accordancewith a TDD frame structure or an FDD frame structure.

In some cases, UE 115-b may receive an additional message indicatingthat at least a portion of a repetition allocated to a slot is canceled,determine that a number of symbols occupied by the repetition is below athreshold (e.g., a preconfigured threshold, a redefined threshold, athreshold signaled to UE 115-b), and may transmit the repetition using afrequency hop associated with a previous repetition.

FIG. 7 shows a block diagram 700 of a device 705 that supports frequencyhopping techniques for uplink control channel repetitions in accordancewith aspects of the present disclosure. The device 705 may be an exampleof aspects of a UE 115 as described herein. The device 705 may include areceiver 710, a transmitter 715, and a communications manager 720. Thedevice 705 may also include a processor. Each of these components may bein communication with one another (e.g., via one or more buses).

The receiver 710 may provide a means for receiving information such aspackets, user data, control information, or any combination thereofassociated with various information channels (e.g., control channels,data channels, information channels related to frequency hoppingtechniques for uplink control channel repetitions). Information may bepassed on to other components of the device 705. The receiver 710 mayutilize a single antenna or a set of multiple antennas.

The transmitter 715 may provide a means for transmitting signalsgenerated by other components of the device 705. For example, thetransmitter 715 may transmit information such as packets, user data,control information, or any combination thereof associated with variousinformation channels (e.g., control channels, data channels, informationchannels related to frequency hopping techniques for uplink controlchannel repetitions). In some examples, the transmitter 715 may beco-located with a receiver 710 in a transceiver module. The transmitter715 may utilize a single antenna or a set of multiple antennas.

The communications manager 720, the receiver 710, the transmitter 715,or various combinations thereof or various components thereof may beexamples of means for performing various aspects of frequency hoppingtechniques for uplink control channel repetitions as described herein.For example, the communications manager 720, the receiver 710, thetransmitter 715, or various combinations or components thereof maysupport a method for performing one or more of the functions describedherein.

In some examples, the communications manager 720, the receiver 710, thetransmitter 715, or various combinations or components thereof may beimplemented in hardware (e.g., in communications management circuitry).The hardware may include a processor, a digital signal processor (DSP),an application-specific integrated circuit (ASIC), a field-programmablegate array (FPGA) or other programmable logic device, a discrete gate ortransistor logic, discrete hardware components, or any combinationthereof configured as or otherwise supporting a means for performing thefunctions described in the present disclosure. In some examples, aprocessor and memory coupled with the processor may be configured toperform one or more of the functions described herein (e.g., byexecuting, by the processor, instructions stored in the memory).

Additionally or alternatively, in some examples, the communicationsmanager 720, the receiver 710, the transmitter 715, or variouscombinations or components thereof may be implemented in code (e.g., ascommunications management software or firmware) executed by a processor.If implemented in code executed by a processor, the functions of thecommunications manager 720, the receiver 710, the transmitter 715, orvarious combinations or components thereof may be performed by ageneral-purpose processor, a DSP, a central processing unit (CPU), anASIC, an FPGA, or any combination of these or other programmable logicdevices (e.g., configured as or otherwise supporting a means forperforming the functions described in the present disclosure).

In some examples, the communications manager 720 may be configured toperform various operations (e.g., receiving, monitoring, transmitting)using or otherwise in cooperation with the receiver 710, the transmitter715, or both. For example, the communications manager 720 may receiveinformation from the receiver 710, send information to the transmitter715, or be integrated in combination with the receiver 710, thetransmitter 715, or both to receive information, transmit information,or perform various other operations as described herein.

The communications manager 720 may support wireless communications at aUE in accordance with examples as disclosed herein. For example, thecommunications manager 720 may be configured as or otherwise support ameans for receiving a control message identifying a frequency hopconfiguration that configures the UE to use frequency hopping whentransmitting repetitions of an uplink control channel. Thecommunications manager 720 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The communications manager 720 may be configured as or otherwise supporta means for transmitting the repetitions of the uplink control channelusing respective frequency hops in accordance with the determination andthe frequency hop configuration in slots available for uplink controlchannel transmissions.

By including or configuring the communications manager 720 in accordancewith examples as described herein, the device 705 (e.g., a processorcontrolling or otherwise coupled to the receiver 710, the transmitter715, the communications manager 720, or a combination thereof) maysupport techniques for more efficient utilization of communicationresources.

FIG. 8 shows a block diagram 800 of a device 805 that supports frequencyhopping techniques for uplink control channel repetitions in accordancewith aspects of the present disclosure. The device 805 may be an exampleof aspects of a device 705 or a UE 115 as described herein. The device805 may include a receiver 810, a transmitter 815, and a communicationsmanager 820. The device 805 may also include a processor. Each of thesecomponents may be in communication with one another (e.g., via one ormore buses).

The receiver 810 may provide a means for receiving information such aspackets, user data, control information, or any combination thereofassociated with various information channels (e.g., control channels,data channels, information channels related to frequency hoppingtechniques for uplink control channel repetitions). Information may bepassed on to other components of the device 805. The receiver 810 mayutilize a single antenna or a set of multiple antennas.

The transmitter 815 may provide a means for transmitting signalsgenerated by other components of the device 805. For example, thetransmitter 815 may transmit information such as packets, user data,control information, or any combination thereof associated with variousinformation channels (e.g., control channels, data channels, informationchannels related to frequency hopping techniques for uplink controlchannel repetitions). In some examples, the transmitter 815 may beco-located with a receiver 810 in a transceiver module. The transmitter815 may utilize a single antenna or a set of multiple antennas.

The device 805, or various components thereof, may be an example ofmeans for performing various aspects of frequency hopping techniques foruplink control channel repetitions as described herein. For example, thecommunications manager 820 may include an uplink configuration receptionmanager 825, a frequency hop determination manager 830, a repetitiontransmission manager 835, or any combination thereof. The communicationsmanager 820 may be an example of aspects of a communications manager 720as described herein. In some examples, the communications manager 820,or various components thereof, may be configured to perform variousoperations (e.g., receiving, monitoring, transmitting) using orotherwise in cooperation with the receiver 810, the transmitter 815, orboth. For example, the communications manager 820 may receiveinformation from the receiver 810, send information to the transmitter815, or be integrated in combination with the receiver 810, thetransmitter 815, or both to receive information, transmit information,or perform various other operations as described herein.

The communications manager 820 may support wireless communications at aUE in accordance with examples as disclosed herein. The uplinkconfiguration reception manager 825 may be configured as or otherwisesupport a means for receiving a control message identifying a frequencyhop configuration that configures the UE to use frequency hopping whentransmitting repetitions of an uplink control channel. The frequency hopdetermination manager 830 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The repetition transmission manager 835 may be configured as orotherwise support a means for transmitting the repetitions of the uplinkcontrol channel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.

FIG. 9 shows a block diagram 900 of a communications manager 920 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thecommunications manager 920 may be an example of aspects of acommunications manager 720, a communications manager 820, or both, asdescribed herein. The communications manager 920, or various componentsthereof, may be an example of means for performing various aspects offrequency hopping techniques for uplink control channel repetitions asdescribed herein. For example, the communications manager 920 mayinclude an uplink configuration reception manager 925, a frequency hopdetermination manager 930, a repetition transmission manager 935, arepetition configuration manager 940, a counting configuration manager945, an index assigning manager 950, or any combination thereof. Each ofthese components may communicate, directly or indirectly, with oneanother (e.g., via one or more buses).

The communications manager 920 may support wireless communications at aUE in accordance with examples as disclosed herein. The uplinkconfiguration reception manager 925 may be configured as or otherwisesupport a means for receiving a control message identifying a frequencyhop configuration that configures the UE to use frequency hopping whentransmitting repetitions of an uplink control channel. The frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The repetition transmission manager 935 may be configured as orotherwise support a means for transmitting the repetitions of the uplinkcontrol channel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on an uplink control channel transmissionoccasion index corresponding to the selected repetition, where theuplink control channel transmission occasion index is the uplink controlchannel index and pertains to a slot available for uplink controlchannel transmissions.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on an uplink control channel repetitionindex corresponding to the selected repetition, where the uplink controlchannel repetition index is the uplink control channel index.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on a logical index sequentially indexingeach of the slots available for uplink control channel transmissions,where the logical index is the uplink control channel index.

In some examples, the uplink configuration reception manager 925 may beconfigured as or otherwise support a means for receiving an additionalmessage indicating that at least a portion of a repetition allocated toa slot is canceled. In some examples, the repetition configurationmanager 940 may be configured as or otherwise support a means fordetermining that a number of symbols occupied by the repetition is belowa threshold. In some examples, the repetition transmission manager 935may be configured as or otherwise support a means for transmitting therepetition using a frequency hop associated with a previous repetition.

In some examples, the counting configuration manager 945 may beconfigured as or otherwise support a means for determining a countingconfiguration for allocating each repetition of the uplink controlchannel to a respective slot of a set of multiple slots. In someexamples, the uplink configuration reception manager 925 may beconfigured as or otherwise support a means for receiving an indicationof a number of repetitions to transmit for the uplink control channel.In some examples, the repetition configuration manager 940 may beconfigured as or otherwise support a means for allocating eachrepetition, up to the number of repetitions, to the set of multipleslots in accordance with the counting configuration.

In some examples, to support allocating each repetition to the slot, therepetition configuration manager 940 may be configured as or otherwisesupport a means for allocating each repetition, up to the number ofrepetitions, to uplink configured slots only, where an uplink configuredslot is an uplink slot or a special slot available for uplink controlchannel transmissions. In some examples, to support allocating eachrepetition to the slot, the repetition transmission manager 935 may beconfigured as or otherwise support a means for transmitting eachrepetition that is allocated to the uplink configured slots.

In some examples, to support allocating each repetition, the repetitionconfiguration manager 940 may be configured as or otherwise support ameans for identifying a set of multiple repetitions, where eachrepetition of the set of multiple repetitions is allocated to an uplinkconfigured slot, where the uplink configured slot is an uplink slot or aspecial slot available for uplink control channel transmissions.

In some examples, the index assigning manager 950 may be configured asor otherwise support a means for assigning a first uplink controlchannel index to a first repetition of the set of multiple repetitions.In some examples, the frequency hop determination manager 930 may beconfigured as or otherwise support a means for determining a firstfrequency hop for the first repetition based on the first uplink controlchannel index being even.

In some examples, the index assigning manager 950 may be configured asor otherwise support a means for assigning a second uplink controlchannel index to a second repetition of the set of multiple repetitions.In some examples, the frequency hop determination manager 930 may beconfigured as or otherwise support a means for determining a secondfrequency hop for the second repetition based on the second uplinkcontrol channel index being odd.

In some examples, the index assigning manager 950 may be configured asor otherwise support a means for identifying a set of multiple uplinktransmission occasions. In some examples, the index assigning manager950 may be configured as or otherwise support a means for assigning eachuplink transmission occasion of the set of multiple uplink transmissionoccasions an uplink control channel index.

In some examples, determining the frequency hop for each repetition isbased on the uplink control channel index assigned to each uplinktransmission occasion being even or odd.

In some examples, the index assigning manager 950 may be configured asor otherwise support a means for assigning a first uplink controlchannel index to a first uplink transmission occasion of the set ofmultiple uplink transmission occasions, a repetition allocated to thefirst uplink transmission occasion. In some examples, the frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining a first frequency hop for the repetition allocatedto the first uplink transmission occasion based on the first uplinkcontrol channel index being even.

In some examples, the index assigning manager 950 may be configured asor otherwise support a means for assigning a second uplink controlchannel index to a second uplink transmission occasion of the set ofmultiple uplink transmission occasions, a repetition allocated to thesecond uplink transmission occasion. In some examples, the frequency hopdetermination manager 930 may be configured as or otherwise support ameans for determining a second frequency hop for the repetitionallocated to the second uplink transmission occasion based on the seconduplink control channel index being odd.

In some examples, to support transmitting the repetitions of the uplinkcontrol channel, the repetition transmission manager 935 may beconfigured as or otherwise support a means for transmitting eachrepetition of the uplink control channel in a same starting location ineach of a set of uplink configured slots, where each repetition istransmitted for a same duration.

In some examples, the UE transmits the repetitions of the uplink controlchannel in accordance with a TDD frame structure or an FDD framestructure.

FIG. 10 shows a diagram of a system 1000 including a device 1005 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thedevice 1005 may be an example of or include the components of a device705, a device 805, or a UE 115 as described herein. The device 1005 maycommunicate wirelessly with one or more base stations 105, UEs 115, orany combination thereof. The device 1005 may include components forbi-directional voice and data communications including components fortransmitting and receiving communications, such as a communicationsmanager 1020, an input/output (I/O) controller 1010, a transceiver 1015,an antenna 1025, a memory 1030, code 1035, and a processor 1040. Thesecomponents may be in electronic communication or otherwise coupled(e.g., operatively, communicatively, functionally, electronically,electrically) via one or more buses (e.g., a bus 1045).

The I/O controller 1010 may manage input and output signals for thedevice 1005. The I/O controller 1010 may also manage peripherals notintegrated into the device 1005. In some cases, the I/O controller 1010may represent a physical connection or port to an external peripheral.In some cases, the I/O controller 1010 may utilize an operating systemsuch as iOS®, ANDROID®, MS-DOS®, MS-WINDOWS®, OS/2®, UNIX®, LINUX®, oranother known operating system. Additionally or alternatively, the I/Ocontroller 1010 may represent or interact with a modem, a keyboard, amouse, a touchscreen, or a similar device. In some cases, the I/Ocontroller 1010 may be implemented as part of a processor, such as theprocessor 1040. In some cases, a user may interact with the device 1005via the I/O controller 1010 or via hardware components controlled by theI/O controller 1010.

In some cases, the device 1005 may include a single antenna 1025.However, in some other cases, the device 1005 may have more than oneantenna 1025, which may be capable of concurrently transmitting orreceiving multiple wireless transmissions. The transceiver 1015 maycommunicate bi-directionally, via the one or more antennas 1025, wired,or wireless links as described herein. For example, the transceiver 1015may represent a wireless transceiver and may communicatebi-directionally with another wireless transceiver. The transceiver 1015may also include a modem to modulate the packets, to provide themodulated packets to one or more antennas 1025 for transmission, and todemodulate packets received from the one or more antennas 1025. Thetransceiver 1015, or the transceiver 1015 and one or more antennas 1025,may be an example of a transmitter 715, a transmitter 815, a receiver710, a receiver 810, or any combination thereof or component thereof, asdescribed herein.

The memory 1030 may include random access memory (RAM) and read-onlymemory (ROM). The memory 1030 may store computer-readable,computer-executable code 1035 including instructions that, when executedby the processor 1040, cause the device 1005 to perform variousfunctions described herein. The code 1035 may be stored in anon-transitory computer-readable medium such as system memory or anothertype of memory. In some cases, the code 1035 may not be directlyexecutable by the processor 1040 but may cause a computer (e.g., whencompiled and executed) to perform functions described herein. In somecases, the memory 1030 may contain, among other things, a basic I/Osystem (BIOS) which may control basic hardware or software operationsuch as the interaction with peripheral components or devices.

The processor 1040 may include an intelligent hardware device (e.g., ageneral-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, anFPGA, a programmable logic device, a discrete gate or transistor logiccomponent, a discrete hardware component, or any combination thereof).In some cases, the processor 1040 may be configured to operate a memoryarray using a memory controller. In some other cases, a memorycontroller may be integrated into the processor 1040. The processor 1040may be configured to execute computer-readable instructions stored in amemory (e.g., the memory 1030) to cause the device 1005 to performvarious functions (e.g., functions or tasks supporting frequency hoppingtechniques for uplink control channel repetitions). For example, thedevice 1005 or a component of the device 1005 may include a processor1040 and memory 1030 coupled to the processor 1040, the processor 1040and memory 1030 configured to perform various functions describedherein.

The communications manager 1020 may support wireless communications at aUE in accordance with examples as disclosed herein. For example, thecommunications manager 1020 may be configured as or otherwise support ameans for receiving a control message identifying a frequency hopconfiguration that configures the UE to use frequency hopping whentransmitting repetitions of an uplink control channel. Thecommunications manager 1020 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The communications manager 1020 may be configured as or otherwisesupport a means for transmitting the repetitions of the uplink controlchannel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.

By including or configuring the communications manager 1020 inaccordance with examples as described herein, the device 1005 maysupport techniques for improved communication reliability, moreefficient utilization of communication resources, and improvedcoordination between devices.

In some examples, the communications manager 1020 may be configured toperform various operations (e.g., receiving, monitoring, transmitting)using or otherwise in cooperation with the transceiver 1015, the one ormore antennas 1025, or any combination thereof. Although thecommunications manager 1020 is illustrated as a separate component, insome examples, one or more functions described with reference to thecommunications manager 1020 may be supported by or performed by theprocessor 1040, the memory 1030, the code 1035, or any combinationthereof. For example, the code 1035 may include instructions executableby the processor 1040 to cause the device 1005 to perform variousaspects of frequency hopping techniques for uplink control channelrepetitions as described herein, or the processor 1040 and the memory1030 may be otherwise configured to perform or support such operations.

FIG. 11 shows a block diagram 1100 of a device 1105 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The device 1105 maybe an example of aspects of a base station 105 as described herein. Thedevice 1105 may include a receiver 1110, a transmitter 1115, and acommunications manager 1120. The device 1105 may also include aprocessor. Each of these components may be in communication with oneanother (e.g., via one or more buses).

The receiver 1110 may provide a means for receiving information such aspackets, user data, control information, or any combination thereofassociated with various information channels (e.g., control channels,data channels, information channels related to frequency hoppingtechniques for uplink control channel repetitions). Information may bepassed on to other components of the device 1105. The receiver 1110 mayutilize a single antenna or a set of multiple antennas.

The transmitter 1115 may provide a means for transmitting signalsgenerated by other components of the device 1105. For example, thetransmitter 1115 may transmit information such as packets, user data,control information, or any combination thereof associated with variousinformation channels (e.g., control channels, data channels, informationchannels related to frequency hopping techniques for uplink controlchannel repetitions). In some examples, the transmitter 1115 may beco-located with a receiver 1110 in a transceiver module. The transmitter1115 may utilize a single antenna or a set of multiple antennas.

The communications manager 1120, the receiver 1110, the transmitter1115, or various combinations thereof or various components thereof maybe examples of means for performing various aspects of frequency hoppingtechniques for uplink control channel repetitions as described herein.For example, the communications manager 1120, the receiver 1110, thetransmitter 1115, or various combinations or components thereof maysupport a method for performing one or more of the functions describedherein.

In some examples, the communications manager 1120, the receiver 1110,the transmitter 1115, or various combinations or components thereof maybe implemented in hardware (e.g., in communications managementcircuitry). The hardware may include a processor, a DSP, an ASIC, anFPGA or other programmable logic device, a discrete gate or transistorlogic, discrete hardware components, or any combination thereofconfigured as or otherwise supporting a means for performing thefunctions described in the present disclosure. In some examples, aprocessor and memory coupled with the processor may be configured toperform one or more of the functions described herein (e.g., byexecuting, by the processor, instructions stored in the memory).

Additionally or alternatively, in some examples, the communicationsmanager 1120, the receiver 1110, the transmitter 1115, or variouscombinations or components thereof may be implemented in code (e.g., ascommunications management software or firmware) executed by a processor.If implemented in code executed by a processor, the functions of thecommunications manager 1120, the receiver 1110, the transmitter 1115, orvarious combinations or components thereof may be performed by ageneral-purpose processor, a DSP, a CPU, an ASIC, an FPGA, or anycombination of these or other programmable logic devices (e.g.,configured as or otherwise supporting a means for performing thefunctions described in the present disclosure).

In some examples, the communications manager 1120 may be configured toperform various operations (e.g., receiving, monitoring, transmitting)using or otherwise in cooperation with the receiver 1110, thetransmitter 1115, or both. For example, the communications manager 1120may receive information from the receiver 1110, send information to thetransmitter 1115, or be integrated in combination with the receiver1110, the transmitter 1115, or both to receive information, transmitinformation, or perform various other operations as described herein.

The communications manager 1120 may support wireless communications at abase station in accordance with examples as disclosed herein. Forexample, the communications manager 1120 may be configured as orotherwise support a means for transmitting a control message identifyinga frequency hop configuration that configures a UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Thecommunications manager 1120 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The communications manager 1120 may be configured as or otherwisesupport a means for receiving the repetitions of the uplink controlchannel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.

By including or configuring the communications manager 1120 inaccordance with examples as described herein, the device 1105 (e.g., aprocessor controlling or otherwise coupled to the receiver 1110, thetransmitter 1115, the communications manager 1120, or a combinationthereof) may support techniques for more efficient utilization ofcommunication resources.

FIG. 12 shows a block diagram 1200 of a device 1205 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The device 1205 maybe an example of aspects of a device 1105 or a base station 105 asdescribed herein. The device 1205 may include a receiver 1210, atransmitter 1215, and a communications manager 1220. The device 1205 mayalso include a processor. Each of these components may be incommunication with one another (e.g., via one or more buses).

The receiver 1210 may provide a means for receiving information such aspackets, user data, control information, or any combination thereofassociated with various information channels (e.g., control channels,data channels, information channels related to frequency hoppingtechniques for uplink control channel repetitions). Information may bepassed on to other components of the device 1205. The receiver 1210 mayutilize a single antenna or a set of multiple antennas.

The transmitter 1215 may provide a means for transmitting signalsgenerated by other components of the device 1205. For example, thetransmitter 1215 may transmit information such as packets, user data,control information, or any combination thereof associated with variousinformation channels (e.g., control channels, data channels, informationchannels related to frequency hopping techniques for uplink controlchannel repetitions). In some examples, the transmitter 1215 may beco-located with a receiver 1210 in a transceiver module. The transmitter1215 may utilize a single antenna or a set of multiple antennas.

The device 1205, or various components thereof, may be an example ofmeans for performing various aspects of frequency hopping techniques foruplink control channel repetitions as described herein. For example, thecommunications manager 1220 may include an uplink configurationtransmission component 1225, a frequency hop determination component1230, a repetition reception component 1235, or any combination thereof.The communications manager 1220 may be an example of aspects of acommunications manager 1120 as described herein. In some examples, thecommunications manager 1220, or various components thereof, may beconfigured to perform various operations (e.g., receiving, monitoring,transmitting) using or otherwise in cooperation with the receiver 1210,the transmitter 1215, or both. For example, the communications manager1220 may receive information from the receiver 1210, send information tothe transmitter 1215, or be integrated in combination with the receiver1210, the transmitter 1215, or both to receive information, transmitinformation, or perform various other operations as described herein.

The communications manager 1220 may support wireless communications at abase station in accordance with examples as disclosed herein. The uplinkconfiguration transmission component 1225 may be configured as orotherwise support a means for transmitting a control message identifyinga frequency hop configuration that configures a UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Thefrequency hop determination component 1230 may be configured as orotherwise support a means for determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The repetition reception component 1235 may beconfigured as or otherwise support a means for receiving the repetitionsof the uplink control channel using respective frequency hops inaccordance with the determination and the frequency hop configuration inslots available for uplink control channel transmissions.

FIG. 13 shows a block diagram 1300 of a communications manager 1320 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thecommunications manager 1320 may be an example of aspects of acommunications manager 1120, a communications manager 1220, or both, asdescribed herein. The communications manager 1320, or various componentsthereof, may be an example of means for performing various aspects offrequency hopping techniques for uplink control channel repetitions asdescribed herein. For example, the communications manager 1320 mayinclude an uplink configuration transmission component 1325, a frequencyhop determination component 1330, a repetition reception component 1335,a counting configuration transmission component 1340, a repetitionconfiguration component 1345, an index assigning component 1350, or anycombination thereof. Each of these components may communicate, directlyor indirectly, with one another (e.g., via one or more buses).

The communications manager 1320 may support wireless communications at abase station in accordance with examples as disclosed herein. The uplinkconfiguration transmission component 1325 may be configured as orotherwise support a means for transmitting a control message identifyinga frequency hop configuration that configures a UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Thefrequency hop determination component 1330 may be configured as orotherwise support a means for determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The repetition reception component 1335 may beconfigured as or otherwise support a means for receiving the repetitionsof the uplink control channel using respective frequency hops inaccordance with the determination and the frequency hop configuration inslots available for uplink control channel transmissions.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination component 1330 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on an uplink control channel transmissionoccasion index corresponding to the selected repetition, where theuplink control channel transmission occasion index is the uplink controlchannel index and pertains to a slot available for uplink controlchannel transmissions.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination component 1330 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on an uplink control channel repetitionindex corresponding to the selected repetition, where the uplink controlchannel repetition index is the uplink control channel index.

In some examples, to support determining the frequency hop for eachrepetition of the uplink control channel, the frequency hopdetermination component 1330 may be configured as or otherwise support ameans for determining the frequency hop for a selected repetition of theuplink control channel based on a logical index sequentially indexingeach of the slots available for uplink control channel transmissions,where the logical index is the uplink control channel index.

In some examples, the uplink configuration transmission component 1325may be configured as or otherwise support a means for transmitting anadditional message indicating that at least a portion of a repetitionallocated to a slot is canceled. In some examples, the repetitionreception component 1335 may be configured as or otherwise support ameans for receiving the repetition using a frequency hop associated witha previous repetition based on a number of symbols occupied by therepetition being below a threshold.

In some examples, the counting configuration transmission component 1340may be configured as or otherwise support a means for determining acounting configuration for allocating each repetition of the uplinkcontrol channel to a respective slot of a set of multiple slots. In someexamples, the uplink configuration transmission component 1325 may beconfigured as or otherwise support a means for transmitting anindication of a number of repetitions to transmit for the uplink controlchannel. In some examples, the repetition configuration component 1345may be configured as or otherwise support a means for allocating eachrepetition, up to the number of repetitions, to the set of multipleslots in accordance with the counting configuration.

In some examples, to support allocating each repetition to the slot, therepetition configuration component 1345 may be configured as orotherwise support a means for allocating each repetition, up to thenumber of repetitions, to uplink configured slots only, where an uplinkconfigured slot is an uplink slot or a special slot available for uplinkcontrol channel transmissions. In some examples, to support allocatingeach repetition to the slot, the repetition reception component 1335 maybe configured as or otherwise support a means for receiving eachrepetition that is allocated to the uplink configured slots.

In some examples, the repetition configuration component 1345 may beconfigured as or otherwise support a means for identifying a set ofmultiple repetitions, where each repetition of the set of multiplerepetitions is allocated to an uplink configured slot, where the uplinkconfigured slot is an uplink slot or a special slot available for uplinkcontrol channel transmissions.

In some examples, the index assigning component 1350 may be configuredas or otherwise support a means for assigning a first uplink controlchannel index to a first repetition of the set of multiple repetitions.In some examples, the frequency hop determination component 1330 may beconfigured as or otherwise support a means for determining a firstfrequency hop for the first repetition based on the first uplink controlchannel index being even.

In some examples, the index assigning component 1350 may be configuredas or otherwise support a means for assigning a second uplink controlchannel index to a second repetition of the set of multiple repetitions.In some examples, the frequency hop determination component 1330 may beconfigured as or otherwise support a means for determining a secondfrequency hop for the second repetition based on the second uplinkcontrol channel index being odd.

In some examples, the index assigning component 1350 may be configuredas or otherwise support a means for identifying a set of multiple uplinktransmission occasions. In some examples, the index assigning component1350 may be configured as or otherwise support a means for assigningeach uplink transmission occasion of the set of multiple uplinktransmission occasions an uplink control channel index.

In some examples, determining the frequency hop for each repetition isbased on the uplink control channel index assigned to each uplinktransmission occasion being even or odd.

In some examples, the index assigning component 1350 may be configuredas or otherwise support a means for assigning a first uplink controlchannel index to a first uplink transmission occasion of the set ofmultiple uplink transmission occasions, a repetition allocated to thefirst uplink transmission occasion. In some examples, the frequency hopdetermination component 1330 may be configured as or otherwise support ameans for determining a first frequency hop for the repetition allocatedto the first uplink transmission occasion based on the first uplinkcontrol channel index being even.

In some examples, the index assigning component 1350 may be configuredas or otherwise support a means for assigning a second uplink controlchannel index to a second uplink transmission occasion of the set ofmultiple uplink transmission occasions, a repetition allocated to thesecond uplink transmission occasion. In some examples, the frequency hopdetermination component 1330 may be configured as or otherwise support ameans for determining a second frequency hop for the repetitionallocated to the second uplink transmission occasion based on the seconduplink control channel index being odd.

In some examples, the base station receives the repetitions of theuplink control channel in accordance with a TDD frame structure, or anFDD frame structure.

In some examples, to support receiving the repetitions of the uplinkcontrol channel, the repetition reception component 1335 may beconfigured as or otherwise support a means for receiving each repetitionof the uplink control channel in a same starting location in each of aset of uplink configured slots, where each repetition is transmitted fora same duration.

FIG. 14 shows a diagram of a system 1400 including a device 1405 thatsupports frequency hopping techniques for uplink control channelrepetitions in accordance with aspects of the present disclosure. Thedevice 1405 may be an example of or include the components of a device1105, a device 1205, or a base station 105 as described herein. Thedevice 1405 may communicate wirelessly with one or more base stations105, UEs 115, or any combination thereof. The device 1405 may includecomponents for bi-directional voice and data communications includingcomponents for transmitting and receiving communications, such as acommunications manager 1420, a network communications manager 1410, atransceiver 1415, an antenna 1425, a memory 1430, code 1435, a processor1440, and an inter-station communications manager 1445. These componentsmay be in electronic communication or otherwise coupled (e.g.,operatively, communicatively, functionally, electronically,electrically) via one or more buses (e.g., a bus 1450).

The network communications manager 1410 may manage communications with acore network 130 (e.g., via one or more wired backhaul links). Forexample, the network communications manager 1410 may manage the transferof data communications for client devices, such as one or more UEs 115.

In some cases, the device 1405 may include a single antenna 1425.However, in some other cases the device 1405 may have more than oneantenna 1425, which may be capable of concurrently transmitting orreceiving multiple wireless transmissions. The transceiver 1415 maycommunicate bi-directionally, via the one or more antennas 1425, wired,or wireless links as described herein. For example, the transceiver 1415may represent a wireless transceiver and may communicatebi-directionally with another wireless transceiver. The transceiver 1415may also include a modem to modulate the packets, to provide themodulated packets to one or more antennas 1425 for transmission, and todemodulate packets received from the one or more antennas 1425. Thetransceiver 1415, or the transceiver 1415 and one or more antennas 1425,may be an example of a transmitter 1115, a transmitter 1215, a receiver1110, a receiver 1210, or any combination thereof or component thereof,as described herein.

The memory 1430 may include RAM and ROM. The memory 1430 may storecomputer-readable, computer-executable code 1435 including instructionsthat, when executed by the processor 1440, cause the device 1405 toperform various functions described herein. The code 1435 may be storedin a non-transitory computer-readable medium such as system memory oranother type of memory. In some cases, the code 1435 may not be directlyexecutable by the processor 1440 but may cause a computer (e.g., whencompiled and executed) to perform functions described herein. In somecases, the memory 1430 may contain, among other things, a BIOS which maycontrol basic hardware or software operation such as the interactionwith peripheral components or devices.

The processor 1440 may include an intelligent hardware device (e.g., ageneral-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, anFPGA, a programmable logic device, a discrete gate or transistor logiccomponent, a discrete hardware component, or any combination thereof).In some cases, the processor 1440 may be configured to operate a memoryarray using a memory controller. In some other cases, a memorycontroller may be integrated into the processor 1440. The processor 1440may be configured to execute computer-readable instructions stored in amemory (e.g., the memory 1430) to cause the device 1405 to performvarious functions (e.g., functions or tasks supporting frequency hoppingtechniques for uplink control channel repetitions). For example, thedevice 1405 or a component of the device 1405 may include a processor1440 and memory 1430 coupled to the processor 1440, the processor 1440and memory 1430 configured to perform various functions describedherein.

The inter-station communications manager 1445 may manage communicationswith other base stations 105, and may include a controller or schedulerfor controlling communications with UEs 115 in cooperation with otherbase stations 105. For example, the inter-station communications manager1445 may coordinate scheduling for transmissions to UEs 115 for variousinterference mitigation techniques such as beamforming or jointtransmission. In some examples, the inter-station communications manager1445 may provide an X2 interface within an LTE/LTE-A wirelesscommunications network technology to provide communication between basestations 105.

The communications manager 1420 may support wireless communications at abase station in accordance with examples as disclosed herein. Forexample, the communications manager 1420 may be configured as orotherwise support a means for transmitting a control message identifyinga frequency hop configuration that configures a UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Thecommunications manager 1420 may be configured as or otherwise support ameans for determining, based on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based on acorresponding uplink control channel index for a respective repetition.The communications manager 1420 may be configured as or otherwisesupport a means for receiving the repetitions of the uplink controlchannel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.

By including or configuring the communications manager 1420 inaccordance with examples as described herein, the device 1405 maysupport techniques for improved communication reliability, moreefficient utilization of communication resources, and improvedcoordination between devices.

In some examples, the communications manager 1420 may be configured toperform various operations (e.g., receiving, monitoring, transmitting)using or otherwise in cooperation with the transceiver 1415, the one ormore antennas 1425, or any combination thereof. Although thecommunications manager 1420 is illustrated as a separate component, insome examples, one or more functions described with reference to thecommunications manager 1420 may be supported by or performed by theprocessor 1440, the memory 1430, the code 1435, or any combinationthereof. For example, the code 1435 may include instructions executableby the processor 1440 to cause the device 1405 to perform variousaspects of frequency hopping techniques for uplink control channelrepetitions as described herein, or the processor 1440 and the memory1430 may be otherwise configured to perform or support such operations.

FIG. 15 shows a flowchart illustrating a method 1500 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The operations of themethod 1500 may be implemented by a UE or its components as describedherein. For example, the operations of the method 1500 may be performedby a UE 115 as described with reference to FIGS. 1 through 10. In someexamples, a UE may execute a set of instructions to control thefunctional elements of the UE to perform the described functions.Additionally or alternatively, the UE may perform aspects of thedescribed functions using special-purpose hardware.

At 1505, the method may include receiving a control message identifyinga frequency hop configuration that configures the UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Theoperations of 1505 may be performed in accordance with examples asdisclosed herein. In some examples, aspects of the operations of 1505may be performed by an uplink configuration reception manager 925 asdescribed with reference to FIG. 9.

At 1510, the method may include determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The operations of 1510 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1510 may be performed by a frequency hopdetermination manager 930 as described with reference to FIG. 9.

At 1515, the method may include transmitting the repetitions of theuplink control channel using respective frequency hops in accordancewith the determination and the frequency hop configuration in slotsavailable for uplink control channel transmissions. The operations of1515 may be performed in accordance with examples as disclosed herein.In some examples, aspects of the operations of 1515 may be performed bya repetition transmission manager 935 as described with reference toFIG. 9.

FIG. 16 shows a flowchart illustrating a method 1600 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The operations of themethod 1600 may be implemented by a UE or its components as describedherein. For example, the operations of the method 1600 may be performedby a UE 115 as described with reference to FIGS. 1 through 10. In someexamples, a UE may execute a set of instructions to control thefunctional elements of the UE to perform the described functions.Additionally or alternatively, the UE may perform aspects of thedescribed functions using special-purpose hardware.

At 1605, the method may include receiving a control message identifyinga frequency hop configuration that configures the UE to use frequencyhopping when transmitting repetitions of an uplink control channel. Theoperations of 1605 may be performed in accordance with examples asdisclosed herein. In some examples, aspects of the operations of 1605may be performed by an uplink configuration reception manager 925 asdescribed with reference to FIG. 9.

At 1610, the method may include determining a counting configuration forallocating each repetition of the uplink control channel to a respectiveslot of a set of multiple slots. The operations of 1610 may be performedin accordance with examples as disclosed herein. In some examples,aspects of the operations of 1610 may be performed by a countingconfiguration manager 945 as described with reference to FIG. 9.

At 1615, the method may include receiving an indication of a number ofrepetitions to transmit for the uplink control channel. The operationsof 1615 may be performed in accordance with examples as disclosedherein. In some examples, aspects of the operations of 1615 may beperformed by an uplink configuration reception manager 925 as describedwith reference to FIG. 9.

At 1620, the method may include allocating each repetition, up to thenumber of repetitions, to the set of multiple slots in accordance withthe counting configuration. The operations of 1620 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1620 may be performed by a repetition configurationmanager 940 as described with reference to FIG. 9.

At 1625, the method may include determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The operations of 1625 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1625 may be performed by a frequency hopdetermination manager 930 as described with reference to FIG. 9.

At 1630, the method may include transmitting the repetitions of theuplink control channel using respective frequency hops in accordancewith the determination and the frequency hop configuration in slotsavailable for uplink control channel transmissions. The operations of1630 may be performed in accordance with examples as disclosed herein.In some examples, aspects of the operations of 1630 may be performed bya repetition transmission manager 935 as described with reference toFIG. 9.

FIG. 17 shows a flowchart illustrating a method 1700 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The operations of themethod 1700 may be implemented by a base station or its components asdescribed herein. For example, the operations of the method 1700 may beperformed by a base station 105 as described with reference to FIGS. 1through 6 and 11 through 14. In some examples, a base station mayexecute a set of instructions to control the functional elements of thebase station to perform the described functions. Additionally oralternatively, the base station may perform aspects of the describedfunctions using special-purpose hardware.

At 1705, the method may include transmitting a control messageidentifying a frequency hop configuration that configures a UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel. The operations of 1705 may be performed in accordance withexamples as disclosed herein. In some examples, aspects of theoperations of 1705 may be performed by an uplink configurationtransmission component 1325 as described with reference to FIG. 13.

At 1710, the method may include determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The operations of 1710 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1710 may be performed by a frequency hopdetermination component 1330 as described with reference to FIG. 13.

At 1715, the method may include receiving the repetitions of the uplinkcontrol channel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions. The operations of 1715 may beperformed in accordance with examples as disclosed herein. In someexamples, aspects of the operations of 1715 may be performed by arepetition reception component 1335 as described with reference to FIG.13.

FIG. 18 shows a flowchart illustrating a method 1800 that supportsfrequency hopping techniques for uplink control channel repetitions inaccordance with aspects of the present disclosure. The operations of themethod 1800 may be implemented by a base station or its components asdescribed herein. For example, the operations of the method 1800 may beperformed by a base station 105 as described with reference to FIGS. 1through 6 and 11 through 14. In some examples, a base station mayexecute a set of instructions to control the functional elements of thebase station to perform the described functions. Additionally oralternatively, the base station may perform aspects of the describedfunctions using special-purpose hardware.

At 1805, the method may include transmitting a control messageidentifying a frequency hop configuration that configures a UE to usefrequency hopping when transmitting repetitions of an uplink controlchannel. The operations of 1805 may be performed in accordance withexamples as disclosed herein. In some examples, aspects of theoperations of 1805 may be performed by an uplink configurationtransmission component 1325 as described with reference to FIG. 13.

At 1810, the method may include identifying a set of multiple uplinktransmission occasions. The operations of 1810 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1810 may be performed by an index assigningcomponent 1350 as described with reference to FIG. 13.

At 1815, the method may include assigning each uplink transmissionoccasion of the set of multiple uplink transmission occasions an uplinkcontrol channel index. The operations of 1815 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1815 may be performed by an index assigningcomponent 1350 as described with reference to FIG. 13.

At 1820, the method may include determining, based on the UE beingconfigured with the frequency hop configuration, a frequency hop foreach repetition of the uplink control channel, each frequency hopdetermined based on a corresponding uplink control channel index for arespective repetition. The operations of 1820 may be performed inaccordance with examples as disclosed herein. In some examples, aspectsof the operations of 1820 may be performed by a frequency hopdetermination component 1330 as described with reference to FIG. 13.

At 1825, the method may include receiving the repetitions of the uplinkcontrol channel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions. The operations of 1825 may beperformed in accordance with examples as disclosed herein. In someexamples, aspects of the operations of 1825 may be performed by arepetition reception component 1335 as described with reference to FIG.13.

The following provides an overview of aspects of the present disclosure:

Aspect 1: A method for wireless communications at a UE, comprising:receiving a control message identifying a frequency hop configurationthat configures the UE to use frequency hopping when transmittingrepetitions of an uplink control channel; determining, based at least inpart on the UE being configured with the frequency hop configuration, afrequency hop for each repetition of the uplink control channel, eachfrequency hop determined based at least in part on a correspondinguplink control channel index for a respective repetition; andtransmitting the repetitions of the uplink control channel usingrespective frequency hops in accordance with the determination and thefrequency hop configuration in slots available for uplink controlchannel transmissions.

Aspect 2: The method of aspect 1, wherein determining the frequency hopfor each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on an uplink control channeltransmission occasion index corresponding to the selected repetition,wherein the uplink control channel transmission occasion index is theuplink control channel index and pertains to a slot available for uplinkcontrol channel transmissions.

Aspect 3: The method of aspect 1, wherein determining the frequency hopfor each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on an uplink control channelrepetition index corresponding to the selected repetition, wherein theuplink control channel repetition index is the uplink control channelindex.

Aspect 4: The method of aspect 1, wherein determining the frequency hopfor each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on a logical index sequentiallyindexing each of the slots available for uplink control channeltransmissions, wherein the logical index is the uplink control channelindex.

Aspect 5: The method of any of aspects 1 through 4, further comprising:receiving an additional message indicating that at least a portion of arepetition allocated to a slot is canceled; determining that a number ofsymbols occupied by the repetition is below a threshold; andtransmitting the repetition using a frequency hop associated with aprevious repetition.

Aspect 6: The method of any of aspects 1 through 5, further comprising:determining a counting configuration for allocating each repetition ofthe uplink control channel to a respective slot of a plurality of slots;receiving an indication of a number of repetitions to transmit for theuplink control channel; and allocating each repetition, up to the numberof repetitions, to the plurality of slots in accordance with thecounting configuration.

Aspect 7: The method of aspect 6, wherein allocating each repetition tothe slot further comprises: allocating each repetition, up to the numberof repetitions, to uplink configured slots only, wherein an uplinkconfigured slot is an uplink slot or a special slot available for uplinkcontrol channel transmissions; and transmitting each repetition that isallocated to the uplink configured slots.

Aspect 8: The method of any of aspects 6 through 7, wherein allocatingeach repetition further comprises: identifying a plurality ofrepetitions, wherein each repetition of the plurality of repetitions isallocated to an uplink configured slot, wherein the uplink configuredslot is an uplink slot or a special slot available for uplink controlchannel transmissions.

Aspect 9: The method of aspect 8, further comprising: assigning a firstuplink control channel index to a first repetition of the plurality ofrepetitions; and determining a first frequency hop for the firstrepetition based at least in part on the first uplink control channelindex being even.

Aspect 10: The method of any of aspects 8 through 9, further comprising:assigning a second uplink control channel index to a second repetitionof the plurality of repetitions; and determining a second frequency hopfor the second repetition based at least in part on the second uplinkcontrol channel index being odd.

Aspect 11: The method of any of aspects 1 through 10, furthercomprising: identifying a plurality of uplink transmission occasions;and assigning each uplink transmission occasion of the plurality ofuplink transmission occasions an uplink control channel index.

Aspect 12: The method of aspect 11, wherein determining the frequencyhop for each repetition is based at least in part on the uplink controlchannel index assigned to each uplink transmission occasion being evenor odd.

Aspect 13: The method of aspect 12, further comprising: assigning afirst uplink control channel index to a first uplink transmissionoccasion of the plurality of uplink transmission occasions, a repetitionallocated to the first uplink transmission occasion; and determining afirst frequency hop for the repetition allocated to the first uplinktransmission occasion based at least in part on the first uplink controlchannel index being even.

Aspect 14: The method of any of aspects 12 through 13, furthercomprising: assigning a second uplink control channel index to a seconduplink transmission occasion of the plurality of uplink transmissionoccasions, a repetition allocated to the second uplink transmissionoccasion; and determining a second frequency hop for the repetitionallocated to the second uplink transmission occasion based at least inpart on the second uplink control channel index being odd.

Aspect 15: The method of any of aspects 1 through 14, whereintransmitting the repetitions of the uplink control channel furthercomprises: transmitting each repetition of the uplink control channel ina same starting location in each of a plurality of uplink configuredslots, wherein each repetition is transmitted for a same duration.

Aspect 16: The method of any of aspects 1 through 15, wherein the UEtransmits the repetitions of the uplink control channel in accordancewith a time division duplexing frame structure or a frequency divisionduplexing frame structure.

Aspect 17: A method for wireless communications at a base station,comprising: transmitting a control message identifying a frequency hopconfiguration that configures a UE to use frequency hopping whentransmitting repetitions of an uplink control channel; determining,based at least in part on the UE being configured with the frequency hopconfiguration, a frequency hop for each repetition of the uplink controlchannel, each frequency hop determined based at least in part on acorresponding uplink control channel index for a respective repetition;and receiving the repetitions of the uplink control channel usingrespective frequency hops in accordance with the determination and thefrequency hop configuration in slots available for uplink controlchannel transmissions.

Aspect 18: The method of aspect 17, wherein determining the frequencyhop for each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on an uplink control channeltransmission occasion index corresponding to the selected repetition,wherein the uplink control channel transmission occasion index is theuplink control channel index and pertains to a slot available for uplinkcontrol channel transmissions.

Aspect 19: The method of aspect 17, wherein determining the frequencyhop for each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on an uplink control channelrepetition index corresponding to the selected repetition, wherein theuplink control channel repetition index is the uplink control channelindex.

Aspect 20: The method of aspect 17, wherein determining the frequencyhop for each repetition of the uplink control channel further comprises:determining the frequency hop for a selected repetition of the uplinkcontrol channel based at least in part on a logical index sequentiallyindexing each of the slots available for uplink control channeltransmissions, wherein the logical index is the uplink control channelindex.

Aspect 21: The method of any of aspects 17 through 20, furthercomprising: transmitting an additional message indicating that at leasta portion of a repetition allocated to a slot is canceled; and receivingthe repetition using a frequency hop associated with a previousrepetition based at least in part on a number of symbols occupied by therepetition being below a threshold.

Aspect 22: The method of any of aspects 17 through 21, furthercomprising: determining a counting configuration for allocating eachrepetition of the uplink control channel to a respective slot of aplurality of slots; transmitting an indication of a number ofrepetitions to transmit for the uplink control channel; and allocatingeach repetition, up to the number of repetitions, to the plurality ofslots in accordance with the counting configuration.

Aspect 23: The method of aspect 22, wherein allocating each repetitionto the slot further comprises: allocating each repetition, up to thenumber of repetitions, to uplink configured slots only, wherein anuplink configured slot is an uplink slot or a special slot available foruplink control channel transmissions; and receiving each repetition thatis allocated to the uplink configured slots.

Aspect 24: The method of any of aspects 22 through 23, furthercomprising: identifying a plurality of repetitions, wherein eachrepetition of the plurality of repetitions is allocated to an uplinkconfigured slot, wherein the uplink configured slot is an uplink slot ora special slot available for uplink control channel transmissions.

Aspect 25: The method of aspect 24, further comprising: assigning afirst uplink control channel index to a first repetition of theplurality of repetitions; and determining a first frequency hop for thefirst repetition based at least in part on the first uplink controlchannel index being even.

Aspect 26: The method of any of aspects 24 through 25, furthercomprising: assigning a second uplink control channel index to a secondrepetition of the plurality of repetitions; and determining a secondfrequency hop for the second repetition based at least in part on thesecond uplink control channel index being odd.

Aspect 27: The method of any of aspects 17 through 26, furthercomprising: identifying a plurality of uplink transmission occasions;and assigning each uplink transmission occasion of the plurality ofuplink transmission occasions an uplink control channel index.

Aspect 28: The method of aspect 27, wherein determining the frequencyhop for each repetition is based at least in part on the uplink controlchannel index assigned to each uplink transmission occasion being evenor odd.

Aspect 29: The method of aspect 28, further comprising: assigning afirst uplink control channel index to a first uplink transmissionoccasion of the plurality of uplink transmission occasions, a repetitionallocated to the first uplink transmission occasion; and determining afirst frequency hop for the repetition allocated to the first uplinktransmission occasion based at least in part on the first uplink controlchannel index being even.

Aspect 30: The method of any of aspects 28 through 29, furthercomprising: assigning a second uplink control channel index to a seconduplink transmission occasion of the plurality of uplink transmissionoccasions, a repetition allocated to the second uplink transmissionoccasion; and determining a second frequency hop for the repetitionallocated to the second uplink transmission occasion based at least inpart on the second uplink control channel index being odd.

Aspect 31: The method of any of aspects 17 through 30, wherein the basestation receives the repetitions of the uplink control channel inaccordance with a time division duplexing frame structure, or afrequency division duplexing frame structure.

Aspect 32: The method of any of aspects 17 through 31, wherein receivingthe repetitions of the uplink control channel further comprises:receiving each repetition of the uplink control channel in a samestarting location in each of a plurality of uplink configured slots,wherein each repetition is transmitted for a same duration.

Aspect 33: An apparatus for wireless communications, comprising aprocessor; memory coupled with the processor; and instructions stored inthe memory and executable by the processor to cause the apparatus toperform a method of any of aspects 1 through 16.

Aspect 34: An apparatus for wireless communications, comprising at leastone means for performing a method of any of aspects 1 through 16.

Aspect 35: A non-transitory computer-readable medium storing code forwireless communications at a UE, the code comprising instructionsexecutable by a processor to perform a method of any of aspects 1through 16.

Aspect 36: An apparatus for wireless communications, comprising aprocessor; memory coupled with the processor; and instructions stored inthe memory and executable by the processor to cause the apparatus toperform a method of any of aspects 17 through 32.

Aspect 37: An apparatus for wireless communications, comprising at leastone means for performing a method of any of aspects 17 through 32.

Aspect 38: A non-transitory computer-readable medium storing code forwireless communications at a base station, the code comprisinginstructions executable by a processor to perform a method of any ofaspects 17 through 32.

It should be noted that the methods described herein describe possibleimplementations, and that the operations and the steps may be rearrangedor otherwise modified and that other implementations are possible.Further, aspects from two or more of the methods may be combined.

Although aspects of an LTE, LTE-A, LTE-A Pro, or NR system may bedescribed for purposes of example, and LTE, LTE-A, LTE-A Pro, or NRterminology may be used in much of the description, the techniquesdescribed herein are applicable beyond LTE, LTE-A, LTE-A Pro, or NRnetworks. For example, the described techniques may be applicable tovarious other wireless communications systems such as Ultra MobileBroadband (UMB), Institute of Electrical and Electronics Engineers(IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, aswell as other systems and radio technologies not explicitly mentionedherein.

Information and signals described herein may be represented using any ofa variety of different technologies and techniques. For example, data,instructions, commands, information, signals, bits, symbols, and chipsthat may be referenced throughout the description may be represented byvoltages, currents, electromagnetic waves, magnetic fields or particles,optical fields or particles, or any combination thereof.

The various illustrative blocks and components described in connectionwith the disclosure herein may be implemented or performed with ageneral-purpose processor, a DSP, an ASIC, a CPU, an FPGA or otherprogrammable logic device, discrete gate or transistor logic, discretehardware components, or any combination thereof designed to perform thefunctions described herein. A general-purpose processor may be amicroprocessor, but in the alternative, the processor may be anyprocessor, controller, microcontroller, or state machine. A processormay also be implemented as a combination of computing devices (e.g., acombination of a DSP and a microprocessor, multiple microprocessors, oneor more microprocessors in conjunction with a DSP core, or any othersuch configuration).

The functions described herein may be implemented in hardware, softwareexecuted by a processor, firmware, or any combination thereof. Ifimplemented in software executed by a processor, the functions may bestored on or transmitted over as one or more instructions or code on acomputer-readable medium. Other examples and implementations are withinthe scope of the disclosure and appended claims. For example, due to thenature of software, functions described herein may be implemented usingsoftware executed by a processor, hardware, firmware, hardwiring, orcombinations of any of these. Features implementing functions may alsobe physically located at various positions, including being distributedsuch that portions of functions are implemented at different physicallocations.

Computer-readable media includes both non-transitory computer storagemedia and communication media including any medium that facilitatestransfer of a computer program from one place to another. Anon-transitory storage medium may be any available medium that may beaccessed by a general-purpose or special-purpose computer. By way ofexample, and not limitation, non-transitory computer-readable media mayinclude RAM, ROM, electrically erasable programmable ROM (EEPROM), flashmemory, compact disk (CD) ROM or other optical disk storage, magneticdisk storage or other magnetic storage devices, or any othernon-transitory medium that may be used to carry or store desired programcode means in the form of instructions or data structures and that maybe accessed by a general-purpose or special-purpose computer, or ageneral-purpose or special-purpose processor. Also, any connection isproperly termed a computer-readable medium. For example, if the softwareis transmitted from a website, server, or other remote source using acoaxial cable, fiber optic cable, twisted pair, digital subscriber line(DSL), or wireless technologies such as infrared, radio, and microwave,then the coaxial cable, fiber optic cable, twisted pair, DSL, orwireless technologies such as infrared, radio, and microwave areincluded in the definition of computer-readable medium. Disk and disc,as used herein, include CD, laser disc, optical disc, digital versatiledisc (DVD), floppy disk and Blu-ray disc where disks usually reproducedata magnetically, while discs reproduce data optically with lasers.Combinations of the above are also included within the scope ofcomputer-readable media.

As used herein, including in the claims, “or” as used in a list of items(e.g., a list of items prefaced by a phrase such as “at least one of” or“one or more of”) indicates an inclusive list such that, for example, alist of at least one of A, B, or C means A or B or C or AB or AC or BCor ABC (i.e., A and B and C). Also, as used herein, the phrase “basedon” shall not be construed as a reference to a closed set of conditions.For example, an example step that is described as “based on condition A”may be based on both a condition A and a condition B without departingfrom the scope of the present disclosure. In other words, as usedherein, the phrase “based on” shall be construed in the same manner asthe phrase “based at least in part on.”

The term “determine” or “determining” encompasses a wide variety ofactions and, therefore, “determining” can include calculating,computing, processing, deriving, investigating, looking up (such as vialooking up in a table, a database or another data structure),ascertaining and the like. Also, “determining” can include receiving(such as receiving information), accessing (such as accessing data in amemory) and the like. Also, “determining” can include resolving,selecting, choosing, establishing and other such similar actions.

In the appended figures, similar components or features may have thesame reference label. Further, various components of the same type maybe distinguished by following the reference label by a dash and a secondlabel that distinguishes among the similar components. If just the firstreference label is used in the specification, the description isapplicable to any one of the similar components having the same firstreference label irrespective of the second reference label, or othersubsequent reference label.

The description set forth herein, in connection with the appendeddrawings, describes example configurations and does not represent allthe examples that may be implemented or that are within the scope of theclaims. The term “example” used herein means “serving as an example,instance, or illustration,” and not “preferred” or “advantageous overother examples.” The detailed description includes specific details forthe purpose of providing an understanding of the described techniques.These techniques, however, may be practiced without these specificdetails. In some instances, known structures and devices are shown inblock diagram form in order to avoid obscuring the concepts of thedescribed examples.

The description herein is provided to enable a person having ordinaryskill in the art to make or use the disclosure. Various modifications tothe disclosure will be apparent to a person having ordinary skill in theart, and the generic principles defined herein may be applied to othervariations without departing from the scope of the disclosure. Thus, thedisclosure is not limited to the examples and designs described hereinbut is to be accorded the broadest scope consistent with the principlesand novel features disclosed herein.

What is claimed is:
 1. A method for wireless communications at a userequipment (UE), comprising: receiving a control message identifying afrequency hop configuration that configures the UE to use frequencyhopping when transmitting repetitions of an uplink control channel;determining, based at least in part on the UE being configured with thefrequency hop configuration, a frequency hop for each repetition of theuplink control channel, each frequency hop determined based at least inpart on a corresponding uplink control channel index for a respectiverepetition; and transmitting the repetitions of the uplink controlchannel using respective frequency hops in accordance with thedetermination and the frequency hop configuration in slots available foruplink control channel transmissions.
 2. The method of claim 1, whereindetermining the frequency hop for each repetition of the uplink controlchannel further comprises: determining the frequency hop for a selectedrepetition of the uplink control channel based at least in part on anuplink control channel transmission occasion index corresponding to theselected repetition, wherein the uplink control channel transmissionoccasion index is the uplink control channel index and pertains to aslot available for uplink control channel transmissions.
 3. The methodof claim 1, wherein determining the frequency hop for each repetition ofthe uplink control channel further comprises: determining the frequencyhop for a selected repetition of the uplink control channel based atleast in part on an uplink control channel repetition indexcorresponding to the selected repetition, wherein the uplink controlchannel repetition index is the uplink control channel index.
 4. Themethod of claim 1, wherein determining the frequency hop for eachrepetition of the uplink control channel further comprises: determiningthe frequency hop for a selected repetition of the uplink controlchannel based at least in part on a logical index sequentially indexingeach of the slots available for uplink control channel transmissions,wherein the logical index is the uplink control channel index.
 5. Themethod of claim 1, further comprising: receiving an additional messageindicating that at least a portion of a repetition allocated to a slotis canceled; determining that a number of symbols occupied by therepetition is below a threshold; and transmitting the repetition using afrequency hop associated with a previous repetition.
 6. The method ofclaim 1, further comprising: determining a counting configuration forallocating each repetition of the uplink control channel to a respectiveslot of a plurality of slots; receiving an indication of a number ofrepetitions to transmit for the uplink control channel; and allocatingeach repetition, up to the number of repetitions, to the plurality ofslots in accordance with the counting configuration.
 7. The method ofclaim 6, wherein allocating each repetition to the slot furthercomprises: allocating each repetition, up to the number of repetitions,to uplink configured slots only, wherein an uplink configured slot is anuplink slot or a special slot available for uplink control channeltransmissions; and transmitting each repetition that is allocated to theuplink configured slots.
 8. The method of claim 6, wherein allocatingeach repetition further comprises: identifying a plurality ofrepetitions, wherein each repetition of the plurality of repetitions isallocated to an uplink configured slot, wherein the uplink configuredslot is an uplink slot or a special slot available for uplink controlchannel transmissions.
 9. The method of claim 8, further comprising:assigning a first uplink control channel index to a first repetition ofthe plurality of repetitions; and determining a first frequency hop forthe first repetition based at least in part on the first uplink controlchannel index being even.
 10. The method of claim 8, further comprising:assigning a second uplink control channel index to a second repetitionof the plurality of repetitions; and determining a second frequency hopfor the second repetition based at least in part on the second uplinkcontrol channel index being odd.
 11. The method of claim 1, furthercomprising: identifying a plurality of uplink transmission occasions;and assigning each uplink transmission occasion of the plurality ofuplink transmission occasions an uplink control channel index.
 12. Themethod of claim 11, wherein determining the frequency hop for eachrepetition is based at least in part on the uplink control channel indexassigned to each uplink transmission occasion being even or odd.
 13. Themethod of claim 12, further comprising: assigning a first uplink controlchannel index to a first uplink transmission occasion of the pluralityof uplink transmission occasions, a repetition allocated to the firstuplink transmission occasion; and determining a first frequency hop forthe repetition allocated to the first uplink transmission occasion basedat least in part on the first uplink control channel index being even.14. The method of claim 12, further comprising: assigning a seconduplink control channel index to a second uplink transmission occasion ofthe plurality of uplink transmission occasions, a repetition allocatedto the second uplink transmission occasion; and determining a secondfrequency hop for the repetition allocated to the second uplinktransmission occasion based at least in part on the second uplinkcontrol channel index being odd.
 15. A method for wirelesscommunications at a base station, comprising: transmitting a controlmessage identifying a frequency hop configuration that configures a userequipment (UE) to use frequency hopping when transmitting repetitions ofan uplink control channel; determining, based at least in part on the UEbeing configured with the frequency hop configuration, a frequency hopfor each repetition of the uplink control channel, each frequency hopdetermined based at least in part on a corresponding uplink controlchannel index for a respective repetition; and receiving the repetitionsof the uplink control channel using respective frequency hops inaccordance with the determination and the frequency hop configuration inslots available for uplink control channel transmissions.
 16. The methodof claim 15, wherein determining the frequency hop for each repetitionof the uplink control channel further comprises: determining thefrequency hop for a selected repetition of the uplink control channelbased at least in part on an uplink control channel transmissionoccasion index corresponding to the selected repetition, wherein theuplink control channel transmission occasion index is the uplink controlchannel index and pertains to a slot available for uplink controlchannel transmissions.
 17. The method of claim 15, wherein determiningthe frequency hop for each repetition of the uplink control channelfurther comprises: determining the frequency hop for a selectedrepetition of the uplink control channel based at least in part on anuplink control channel repetition index corresponding to the selectedrepetition, wherein the uplink control channel repetition index is theuplink control channel index.
 18. The method of claim 15, whereindetermining the frequency hop for each repetition of the uplink controlchannel further comprises: determining the frequency hop for a selectedrepetition of the uplink control channel based at least in part on alogical index sequentially indexing each of the slots available foruplink control channel transmissions, wherein the logical index is theuplink control channel index.
 19. The method of claim 15, furthercomprising: transmitting an additional message indicating that at leasta portion of a repetition allocated to a slot is canceled; and receivingthe repetition using a frequency hop associated with a previousrepetition based at least in part on a number of symbols occupied by therepetition being below a threshold.
 20. The method of claim 15, furthercomprising: determining a counting configuration for allocating eachrepetition of the uplink control channel to a respective slot of aplurality of slots; transmitting an indication of a number ofrepetitions to transmit for the uplink control channel; and allocatingeach repetition, up to the number of repetitions, to the plurality ofslots in accordance with the counting configuration.
 21. The method ofclaim 20, wherein allocating each repetition to the slot furthercomprises: allocating each repetition, up to the number of repetitions,to uplink configured slots only, wherein an uplink configured slot is anuplink slot or a special slot available for uplink control channeltransmissions; and receiving each repetition that is allocated to theuplink configured slots.
 22. The method of claim 20, further comprising:identifying a plurality of repetitions, wherein each repetition of theplurality of repetitions is allocated to an uplink configured slot,wherein the uplink configured slot is an uplink slot or a special slotavailable for uplink control channel transmissions.
 23. The method ofclaim 22, further comprising: assigning a first uplink control channelindex to a first repetition of the plurality of repetitions; anddetermining a first frequency hop for the first repetition based atleast in part on the first uplink control channel index being even. 24.The method of claim 22, further comprising: assigning a second uplinkcontrol channel index to a second repetition of the plurality ofrepetitions; and determining a second frequency hop for the secondrepetition based at least in part on the second uplink control channelindex being odd.
 25. The method of claim 15, further comprising:identifying a plurality of uplink transmission occasions; and assigningeach uplink transmission occasion of the plurality of uplinktransmission occasions an uplink control channel index.
 26. The methodof claim 25, wherein determining the frequency hop for each repetitionis based at least in part on the uplink control channel index assignedto each uplink transmission occasion being even or odd.
 27. The methodof claim 26, further comprising: assigning a first uplink controlchannel index to a first uplink transmission occasion of the pluralityof uplink transmission occasions, a repetition allocated to the firstuplink transmission occasion; and determining a first frequency hop forthe repetition allocated to the first uplink transmission occasion basedat least in part on the first uplink control channel index being even.28. The method of claim 26, further comprising: assigning a seconduplink control channel index to a second uplink transmission occasion ofthe plurality of uplink transmission occasions, a repetition allocatedto the second uplink transmission occasion; and determining a secondfrequency hop for the repetition allocated to the second uplinktransmission occasion based at least in part on the second uplinkcontrol channel index being odd.
 29. An apparatus for wirelesscommunications, comprising: a processor; memory coupled with theprocessor; and instructions stored in the memory and executable by theprocessor to cause the apparatus to: receive a control messageidentifying a frequency hop configuration that configures a userequipment (UE) to use frequency hopping when transmitting repetitions ofan uplink control channel; determine, based at least in part on the UEbeing configured with the frequency hop configuration, a frequency hopfor each repetition of the uplink control channel, each frequency hopdetermined based at least in part on a corresponding uplink controlchannel index for a respective repetition; and transmit the repetitionsof the uplink control channel using respective frequency hops inaccordance with the determination and the frequency hop configuration inslots available for uplink control channel transmissions.
 30. Anapparatus for wireless communications, comprising: a processor; memorycoupled with the processor; and instructions stored in the memory andexecutable by the processor to cause the apparatus to: transmit acontrol message identifying a frequency hop configuration thatconfigures a user equipment (UE) to use frequency hopping whentransmitting repetitions of an uplink control channel; determine, basedat least in part on the UE being configured with the frequency hopconfiguration, a frequency hop for each repetition of the uplink controlchannel, each frequency hop determined based at least in part on acorresponding uplink control channel index for a respective repetition;and receive the repetitions of the uplink control channel usingrespective frequency hops in accordance with the determination and thefrequency hop configuration in slots available for uplink controlchannel transmissions.